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Finding the Fourth Proportional to 8,759.68, 12,150.29 and 8,444.46

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Solution

The fourth proportional to 8,759.68, 12,150.29 and 8,444.46 is: 11,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.68 : 12,150.29 = 8,444.46 : x
  2. Step 2: Convert to fraction form
    8,759.68/12,150.29 = 8,444.46/x
  3. Step 3: Cross multiply
    8,759.68x = 12,150.29 × 8,444.46
  4. Step 4: Simplify right side
    8,759.68x = 102,602,637.89
  5. Step 5: Solve for x
    x = 102,602,637.89/8,759.68
  6. Step 6: Final answer
    x = 11,713.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.