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Finding the Fourth Proportional to 15,248.67, 22,854.78 and 8,665.80

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Solution

The fourth proportional to 15,248.67, 22,854.78 and 8,665.80 is: 12,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248.67 : 22,854.78 = 8,665.80 : x
  2. Step 2: Convert to fraction form
    15,248.67/22,854.78 = 8,665.80/x
  3. Step 3: Cross multiply
    15,248.67x = 22,854.78 × 8,665.80
  4. Step 4: Simplify right side
    15,248.67x = 198,054,952.52
  5. Step 5: Solve for x
    x = 198,054,952.52/15,248.67
  6. Step 6: Final answer
    x = 12,988.34

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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.