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Finding the Fourth Proportional to 8,047.60, 12,070.89 and 2,425.15

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Solution

The fourth proportional to 8,047.60, 12,070.89 and 2,425.15 is: 3,637.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.60 : 12,070.89 = 2,425.15 : x
  2. Step 2: Convert to fraction form
    8,047.60/12,070.89 = 2,425.15/x
  3. Step 3: Cross multiply
    8,047.60x = 12,070.89 × 2,425.15
  4. Step 4: Simplify right side
    8,047.60x = 29,273,718.88
  5. Step 5: Solve for x
    x = 29,273,718.88/8,047.60
  6. Step 6: Final answer
    x = 3,637.57

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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.