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Finding the Fourth Proportional to 8,792.68, 13,189.02 and 2,949.27

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Solution

The fourth proportional to 8,792.68, 13,189.02 and 2,949.27 is: 4,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,792.68 : 13,189.02 = 2,949.27 : x
  2. Step 2: Convert to fraction form
    8,792.68/13,189.02 = 2,949.27/x
  3. Step 3: Cross multiply
    8,792.68x = 13,189.02 × 2,949.27
  4. Step 4: Simplify right side
    8,792.68x = 38,897,981.02
  5. Step 5: Solve for x
    x = 38,897,981.02/8,792.68
  6. Step 6: Final answer
    x = 4,423.91

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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.