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Finding the Fourth Proportional to 14,761, 20,370.28 and 8,792.92

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Solution

The fourth proportional to 14,761, 20,370.28 and 8,792.92 is: 12,134.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,761 : 20,370.28 = 8,792.92 : x
  2. Step 2: Convert to fraction form
    14,761/20,370.28 = 8,792.92/x
  3. Step 3: Cross multiply
    14,761x = 20,370.28 × 8,792.92
  4. Step 4: Simplify right side
    14,761x = 179,114,242.42
  5. Step 5: Solve for x
    x = 179,114,242.42/14,761
  6. Step 6: Final answer
    x = 12,134.29

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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.