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Finding the Fourth Proportional to 5,607.71, 8,417.03 and 4,279.04

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Solution

The fourth proportional to 5,607.71, 8,417.03 and 4,279.04 is: 6,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.71 : 8,417.03 = 4,279.04 : x
  2. Step 2: Convert to fraction form
    5,607.71/8,417.03 = 4,279.04/x
  3. Step 3: Cross multiply
    5,607.71x = 8,417.03 × 4,279.04
  4. Step 4: Simplify right side
    5,607.71x = 36,016,744.57
  5. Step 5: Solve for x
    x = 36,016,744.57/5,607.71
  6. Step 6: Final answer
    x = 6,422.72

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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.