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Finding the Fourth Proportional to 17,761.68, 26,645.40 and 8,527.68

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Solution

The fourth proportional to 17,761.68, 26,645.40 and 8,527.68 is: 12,792.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761.68 : 26,645.40 = 8,527.68 : x
  2. Step 2: Convert to fraction form
    17,761.68/26,645.40 = 8,527.68/x
  3. Step 3: Cross multiply
    17,761.68x = 26,645.40 × 8,527.68
  4. Step 4: Simplify right side
    17,761.68x = 227,223,444.67
  5. Step 5: Solve for x
    x = 227,223,444.67/17,761.68
  6. Step 6: Final answer
    x = 12,792.90

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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.