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Finding the Fourth Proportional to 8,575.59, 12,864.92 and 3,032.15

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Solution

The fourth proportional to 8,575.59, 12,864.92 and 3,032.15 is: 4,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,575.59 : 12,864.92 = 3,032.15 : x
  2. Step 2: Convert to fraction form
    8,575.59/12,864.92 = 3,032.15/x
  3. Step 3: Cross multiply
    8,575.59x = 12,864.92 × 3,032.15
  4. Step 4: Simplify right side
    8,575.59x = 39,008,367.18
  5. Step 5: Solve for x
    x = 39,008,367.18/8,575.59
  6. Step 6: Final answer
    x = 4,548.77

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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.