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Finding the Fourth Proportional to 8,565.96, 11,821.02 and 4,839.96

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Solution

The fourth proportional to 8,565.96, 11,821.02 and 4,839.96 is: 6,679.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.96 : 11,821.02 = 4,839.96 : x
  2. Step 2: Convert to fraction form
    8,565.96/11,821.02 = 4,839.96/x
  3. Step 3: Cross multiply
    8,565.96x = 11,821.02 × 4,839.96
  4. Step 4: Simplify right side
    8,565.96x = 57,213,263.96
  5. Step 5: Solve for x
    x = 57,213,263.96/8,565.96
  6. Step 6: Final answer
    x = 6,679.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.