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Finding the Fourth Proportional to 15,284.40, 22,948.20 and 9,452.40

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Solution

The fourth proportional to 15,284.40, 22,948.20 and 9,452.40 is: 14,191.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284.40 : 22,948.20 = 9,452.40 : x
  2. Step 2: Convert to fraction form
    15,284.40/22,948.20 = 9,452.40/x
  3. Step 3: Cross multiply
    15,284.40x = 22,948.20 × 9,452.40
  4. Step 4: Simplify right side
    15,284.40x = 216,915,565.68
  5. Step 5: Solve for x
    x = 216,915,565.68/15,284.40
  6. Step 6: Final answer
    x = 14,191.96

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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.