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Finding the Fourth Proportional to 8,373.66, 12,560.49 and 4,909.02

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Solution

The fourth proportional to 8,373.66, 12,560.49 and 4,909.02 is: 7,363.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.66 : 12,560.49 = 4,909.02 : x
  2. Step 2: Convert to fraction form
    8,373.66/12,560.49 = 4,909.02/x
  3. Step 3: Cross multiply
    8,373.66x = 12,560.49 × 4,909.02
  4. Step 4: Simplify right side
    8,373.66x = 61,659,696.62
  5. Step 5: Solve for x
    x = 61,659,696.62/8,373.66
  6. Step 6: Final answer
    x = 7,363.53

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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.