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Finding the Fourth Proportional to 10,522.80, 14,521.20 and 5,806.92

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Solution

The fourth proportional to 10,522.80, 14,521.20 and 5,806.92 is: 8,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.80 : 14,521.20 = 5,806.92 : x
  2. Step 2: Convert to fraction form
    10,522.80/14,521.20 = 5,806.92/x
  3. Step 3: Cross multiply
    10,522.80x = 14,521.20 × 5,806.92
  4. Step 4: Simplify right side
    10,522.80x = 84,323,446.70
  5. Step 5: Solve for x
    x = 84,323,446.70/10,522.80
  6. Step 6: Final answer
    x = 8,013.40

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Similar ratio
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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.