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Finding the Fourth Proportional to 60,007.30, 89,816.55 and 53,008.90

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Solution

The fourth proportional to 60,007.30, 89,816.55 and 53,008.90 is: 79,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,007.30 : 89,816.55 = 53,008.90 : x
  2. Step 2: Convert to fraction form
    60,007.30/89,816.55 = 53,008.90/x
  3. Step 3: Cross multiply
    60,007.30x = 89,816.55 × 53,008.90
  4. Step 4: Simplify right side
    60,007.30x = 4,761,076,517.30
  5. Step 5: Solve for x
    x = 4,761,076,517.30/60,007.30
  6. Step 6: Final answer
    x = 79,341.62

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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.