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Finding the Fourth Proportional to 15,073.64, 22,600.49 and 6,742.19

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Solution

The fourth proportional to 15,073.64, 22,600.49 and 6,742.19 is: 10,108.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,073.64 : 22,600.49 = 6,742.19 : x
  2. Step 2: Convert to fraction form
    15,073.64/22,600.49 = 6,742.19/x
  3. Step 3: Cross multiply
    15,073.64x = 22,600.49 × 6,742.19
  4. Step 4: Simplify right side
    15,073.64x = 152,376,650.96
  5. Step 5: Solve for x
    x = 152,376,650.96/15,073.64
  6. Step 6: Final answer
    x = 10,108.82

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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.