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Finding the Fourth Proportional to 5,646.92, 8,470.28 and 1,542.92

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Solution

The fourth proportional to 5,646.92, 8,470.28 and 1,542.92 is: 2,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,646.92 : 8,470.28 = 1,542.92 : x
  2. Step 2: Convert to fraction form
    5,646.92/8,470.28 = 1,542.92/x
  3. Step 3: Cross multiply
    5,646.92x = 8,470.28 × 1,542.92
  4. Step 4: Simplify right side
    5,646.92x = 13,068,964.42
  5. Step 5: Solve for x
    x = 13,068,964.42/5,646.92
  6. Step 6: Final answer
    x = 2,314.35

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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.