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Finding the Fourth Proportional to 53,777.60, 80,663.04 and 16,337.60

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Solution

The fourth proportional to 53,777.60, 80,663.04 and 16,337.60 is: 24,505.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,777.60 : 80,663.04 = 16,337.60 : x
  2. Step 2: Convert to fraction form
    53,777.60/80,663.04 = 16,337.60/x
  3. Step 3: Cross multiply
    53,777.60x = 80,663.04 × 16,337.60
  4. Step 4: Simplify right side
    53,777.60x = 1,317,840,482.30
  5. Step 5: Solve for x
    x = 1,317,840,482.30/53,777.60
  6. Step 6: Final answer
    x = 24,505.38

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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.