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Finding the Fourth Proportional to 4,494.86, 6,742.28 and 1,572.49

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Solution

The fourth proportional to 4,494.86, 6,742.28 and 1,572.49 is: 2,358.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,494.86 : 6,742.28 = 1,572.49 : x
  2. Step 2: Convert to fraction form
    4,494.86/6,742.28 = 1,572.49/x
  3. Step 3: Cross multiply
    4,494.86x = 6,742.28 × 1,572.49
  4. Step 4: Simplify right side
    4,494.86x = 10,602,154.95
  5. Step 5: Solve for x
    x = 10,602,154.95/4,494.86
  6. Step 6: Final answer
    x = 2,358.73

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Similar ratio
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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.