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Finding the Fourth Proportional to 8,606.43, 12,877.07 and 5,098.32

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Solution

The fourth proportional to 8,606.43, 12,877.07 and 5,098.32 is: 7,628.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.43 : 12,877.07 = 5,098.32 : x
  2. Step 2: Convert to fraction form
    8,606.43/12,877.07 = 5,098.32/x
  3. Step 3: Cross multiply
    8,606.43x = 12,877.07 × 5,098.32
  4. Step 4: Simplify right side
    8,606.43x = 65,651,398.03
  5. Step 5: Solve for x
    x = 65,651,398.03/8,606.43
  6. Step 6: Final answer
    x = 7,628.18

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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.