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Finding the Fourth Proportional to 59,606.76, 89,488.32 and 39,973.20

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Solution

The fourth proportional to 59,606.76, 89,488.32 and 39,973.20 is: 60,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,606.76 : 89,488.32 = 39,973.20 : x
  2. Step 2: Convert to fraction form
    59,606.76/89,488.32 = 39,973.20/x
  3. Step 3: Cross multiply
    59,606.76x = 89,488.32 × 39,973.20
  4. Step 4: Simplify right side
    59,606.76x = 3,577,134,513.02
  5. Step 5: Solve for x
    x = 3,577,134,513.02/59,606.76
  6. Step 6: Final answer
    x = 60,012.23

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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.