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Finding the Fourth Proportional to 63,395.10, 95,039.13 and 39,969.90

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Solution

The fourth proportional to 63,395.10, 95,039.13 and 39,969.90 is: 59,921.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,395.10 : 95,039.13 = 39,969.90 : x
  2. Step 2: Convert to fraction form
    63,395.10/95,039.13 = 39,969.90/x
  3. Step 3: Cross multiply
    63,395.10x = 95,039.13 × 39,969.90
  4. Step 4: Simplify right side
    63,395.10x = 3,798,704,522.19
  5. Step 5: Solve for x
    x = 3,798,704,522.19/63,395.10
  6. Step 6: Final answer
    x = 59,921.11

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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.