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Finding the Fourth Proportional to 8,575.79, 12,841.16 and 6,901.02

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Solution

The fourth proportional to 8,575.79, 12,841.16 and 6,901.02 is: 10,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.79 : 12,841.16 = 6,901.02 : x
  2. Step 2: Convert to fraction form
    8,575.79/12,841.16 = 6,901.02/x
  3. Step 3: Cross multiply
    8,575.79x = 12,841.16 × 6,901.02
  4. Step 4: Simplify right side
    8,575.79x = 88,617,067.48
  5. Step 5: Solve for x
    x = 88,617,067.48/8,575.79
  6. Step 6: Final answer
    x = 10,333.41

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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.