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Finding the Fourth Proportional to 57,888.72, 79,877.88 and 32,737.68

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Solution

The fourth proportional to 57,888.72, 79,877.88 and 32,737.68 is: 45,173.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,888.72 : 79,877.88 = 32,737.68 : x
  2. Step 2: Convert to fraction form
    57,888.72/79,877.88 = 32,737.68/x
  3. Step 3: Cross multiply
    57,888.72x = 79,877.88 × 32,737.68
  4. Step 4: Simplify right side
    57,888.72x = 2,615,016,474.52
  5. Step 5: Solve for x
    x = 2,615,016,474.52/57,888.72
  6. Step 6: Final answer
    x = 45,173.16

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1.5x scale

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.