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Finding the Fourth Proportional to 9,787.68, 14,686.78 and 6,502.32

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Solution

The fourth proportional to 9,787.68, 14,686.78 and 6,502.32 is: 9,756.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.68 : 14,686.78 = 6,502.32 : x
  2. Step 2: Convert to fraction form
    9,787.68/14,686.78 = 6,502.32/x
  3. Step 3: Cross multiply
    9,787.68x = 14,686.78 × 6,502.32
  4. Step 4: Simplify right side
    9,787.68x = 95,498,143.33
  5. Step 5: Solve for x
    x = 95,498,143.33/9,787.68
  6. Step 6: Final answer
    x = 9,756.97

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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.