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Finding the Fourth Proportional to 8,806,906.70, 13,210,360.05 and 7,463,213.90

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Solution

The fourth proportional to 8,806,906.70, 13,210,360.05 and 7,463,213.90 is: 11,194,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806,906.70 : 13,210,360.05 = 7,463,213.90 : x
  2. Step 2: Convert to fraction form
    8,806,906.70/13,210,360.05 = 7,463,213.90/x
  3. Step 3: Cross multiply
    8,806,906.70x = 13,210,360.05 × 7,463,213.90
  4. Step 4: Simplify right side
    8,806,906.70x = 98,591,742,749,164.70
  5. Step 5: Solve for x
    x = 98,591,742,749,164.70/8,806,906.70
  6. Step 6: Final answer
    x = 11,194,820.85

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.