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Finding the Fourth Proportional to 59,403.20, 89,032.80 and 34,395.20

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Solution

The fourth proportional to 59,403.20, 89,032.80 and 34,395.20 is: 51,551.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,403.20 : 89,032.80 = 34,395.20 : x
  2. Step 2: Convert to fraction form
    59,403.20/89,032.80 = 34,395.20/x
  3. Step 3: Cross multiply
    59,403.20x = 89,032.80 × 34,395.20
  4. Step 4: Simplify right side
    59,403.20x = 3,062,300,962.56
  5. Step 5: Solve for x
    x = 3,062,300,962.56/59,403.20
  6. Step 6: Final answer
    x = 51,551.11

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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.