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Finding the Fourth Proportional to 5,007.61, 7,503.17 and 1,718.90

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Solution

The fourth proportional to 5,007.61, 7,503.17 and 1,718.90 is: 2,575.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.61 : 7,503.17 = 1,718.90 : x
  2. Step 2: Convert to fraction form
    5,007.61/7,503.17 = 1,718.90/x
  3. Step 3: Cross multiply
    5,007.61x = 7,503.17 × 1,718.90
  4. Step 4: Simplify right side
    5,007.61x = 12,897,198.91
  5. Step 5: Solve for x
    x = 12,897,198.91/5,007.61
  6. Step 6: Final answer
    x = 2,575.52

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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.