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Finding the Fourth Proportional to 14,808.29, 22,213.61 and 4,947.61

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Solution

The fourth proportional to 14,808.29, 22,213.61 and 4,947.61 is: 7,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,808.29 : 22,213.61 = 4,947.61 : x
  2. Step 2: Convert to fraction form
    14,808.29/22,213.61 = 4,947.61/x
  3. Step 3: Cross multiply
    14,808.29x = 22,213.61 × 4,947.61
  4. Step 4: Simplify right side
    14,808.29x = 109,904,278.97
  5. Step 5: Solve for x
    x = 109,904,278.97/14,808.29
  6. Step 6: Final answer
    x = 7,421.81

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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.