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Finding the Fourth Proportional to 8,798.59, 12,132.08 and 5,607.61

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Solution

The fourth proportional to 8,798.59, 12,132.08 and 5,607.61 is: 7,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.59 : 12,132.08 = 5,607.61 : x
  2. Step 2: Convert to fraction form
    8,798.59/12,132.08 = 5,607.61/x
  3. Step 3: Cross multiply
    8,798.59x = 12,132.08 × 5,607.61
  4. Step 4: Simplify right side
    8,798.59x = 68,032,017.48
  5. Step 5: Solve for x
    x = 68,032,017.48/8,798.59
  6. Step 6: Final answer
    x = 7,732.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.