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Finding the Fourth Proportional to 10,449,006.70, 15,673,510.05 and 7,047,784.30

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Solution

The fourth proportional to 10,449,006.70, 15,673,510.05 and 7,047,784.30 is: 10,571,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449,006.70 : 15,673,510.05 = 7,047,784.30 : x
  2. Step 2: Convert to fraction form
    10,449,006.70/15,673,510.05 = 7,047,784.30/x
  3. Step 3: Cross multiply
    10,449,006.70x = 15,673,510.05 × 7,047,784.30
  4. Step 4: Simplify right side
    10,449,006.70x = 110,463,518,056,282.22
  5. Step 5: Solve for x
    x = 110,463,518,056,282.22/10,449,006.70
  6. Step 6: Final answer
    x = 10,571,676.45

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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.