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Finding the Fourth Proportional to 62,404.80, 93,607.20 and 20,846.40

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Solution

The fourth proportional to 62,404.80, 93,607.20 and 20,846.40 is: 31,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,404.80 : 93,607.20 = 20,846.40 : x
  2. Step 2: Convert to fraction form
    62,404.80/93,607.20 = 20,846.40/x
  3. Step 3: Cross multiply
    62,404.80x = 93,607.20 × 20,846.40
  4. Step 4: Simplify right side
    62,404.80x = 1,951,373,134.08
  5. Step 5: Solve for x
    x = 1,951,373,134.08/62,404.80
  6. Step 6: Final answer
    x = 31,269.60

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1.5x scale

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.