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Finding the Fourth Proportional to 15,110.70, 22,666.05 and 9,270.60

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Solution

The fourth proportional to 15,110.70, 22,666.05 and 9,270.60 is: 13,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,110.70 : 22,666.05 = 9,270.60 : x
  2. Step 2: Convert to fraction form
    15,110.70/22,666.05 = 9,270.60/x
  3. Step 3: Cross multiply
    15,110.70x = 22,666.05 × 9,270.60
  4. Step 4: Simplify right side
    15,110.70x = 210,127,883.13
  5. Step 5: Solve for x
    x = 210,127,883.13/15,110.70
  6. Step 6: Final answer
    x = 13,905.90

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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.