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Finding the Fourth Proportional to 8,294.91, 12,421.17 and 4,593.03

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Solution

The fourth proportional to 8,294.91, 12,421.17 and 4,593.03 is: 6,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,294.91 : 12,421.17 = 4,593.03 : x
  2. Step 2: Convert to fraction form
    8,294.91/12,421.17 = 4,593.03/x
  3. Step 3: Cross multiply
    8,294.91x = 12,421.17 × 4,593.03
  4. Step 4: Simplify right side
    8,294.91x = 57,050,806.45
  5. Step 5: Solve for x
    x = 57,050,806.45/8,294.91
  6. Step 6: Final answer
    x = 6,877.81

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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.