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Finding the Fourth Proportional to 63,355.84, 87,429.76 and 35,061.60

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Solution

The fourth proportional to 63,355.84, 87,429.76 and 35,061.60 is: 48,384.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,355.84 : 87,429.76 = 35,061.60 : x
  2. Step 2: Convert to fraction form
    63,355.84/87,429.76 = 35,061.60/x
  3. Step 3: Cross multiply
    63,355.84x = 87,429.76 × 35,061.60
  4. Step 4: Simplify right side
    63,355.84x = 3,065,427,273.22
  5. Step 5: Solve for x
    x = 3,065,427,273.22/63,355.84
  6. Step 6: Final answer
    x = 48,384.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.