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Finding the Fourth Proportional to 7,008.62, 9,671.18 and 4,024.90

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Solution

The fourth proportional to 7,008.62, 9,671.18 and 4,024.90 is: 5,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.62 : 9,671.18 = 4,024.90 : x
  2. Step 2: Convert to fraction form
    7,008.62/9,671.18 = 4,024.90/x
  3. Step 3: Cross multiply
    7,008.62x = 9,671.18 × 4,024.90
  4. Step 4: Simplify right side
    7,008.62x = 38,925,488.08
  5. Step 5: Solve for x
    x = 38,925,488.08/7,008.62
  6. Step 6: Final answer
    x = 5,553.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.