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Finding the Fourth Proportional to 8,417.63, 12,627.87 and 2,572.88

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Solution

The fourth proportional to 8,417.63, 12,627.87 and 2,572.88 is: 3,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.63 : 12,627.87 = 2,572.88 : x
  2. Step 2: Convert to fraction form
    8,417.63/12,627.87 = 2,572.88/x
  3. Step 3: Cross multiply
    8,417.63x = 12,627.87 × 2,572.88
  4. Step 4: Simplify right side
    8,417.63x = 32,489,921.38
  5. Step 5: Solve for x
    x = 32,489,921.38/8,417.63
  6. Step 6: Final answer
    x = 3,859.75

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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.