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Finding the Fourth Proportional to 15,305.96, 22,937.04 and 8,718.54

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Solution

The fourth proportional to 15,305.96, 22,937.04 and 8,718.54 is: 13,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,305.96 : 22,937.04 = 8,718.54 : x
  2. Step 2: Convert to fraction form
    15,305.96/22,937.04 = 8,718.54/x
  3. Step 3: Cross multiply
    15,305.96x = 22,937.04 × 8,718.54
  4. Step 4: Simplify right side
    15,305.96x = 199,977,414.71
  5. Step 5: Solve for x
    x = 199,977,414.71/15,305.96
  6. Step 6: Final answer
    x = 13,065.33

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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.