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Finding the Fourth Proportional to 57,760.40, 86,656.80 and 24,496.40

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Solution

The fourth proportional to 57,760.40, 86,656.80 and 24,496.40 is: 36,751.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,760.40 : 86,656.80 = 24,496.40 : x
  2. Step 2: Convert to fraction form
    57,760.40/86,656.80 = 24,496.40/x
  3. Step 3: Cross multiply
    57,760.40x = 86,656.80 × 24,496.40
  4. Step 4: Simplify right side
    57,760.40x = 2,122,779,635.52
  5. Step 5: Solve for x
    x = 2,122,779,635.52/57,760.40
  6. Step 6: Final answer
    x = 36,751.47

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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.