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Finding the Fourth Proportional to 62,117.80, 93,176.70 and 38,498.20

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Solution

The fourth proportional to 62,117.80, 93,176.70 and 38,498.20 is: 57,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,117.80 : 93,176.70 = 38,498.20 : x
  2. Step 2: Convert to fraction form
    62,117.80/93,176.70 = 38,498.20/x
  3. Step 3: Cross multiply
    62,117.80x = 93,176.70 × 38,498.20
  4. Step 4: Simplify right side
    62,117.80x = 3,587,135,231.94
  5. Step 5: Solve for x
    x = 3,587,135,231.94/62,117.80
  6. Step 6: Final answer
    x = 57,747.30

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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.