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Finding the Fourth Proportional to 9,329.96, 13,994.94 and 8,862.78

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Solution

The fourth proportional to 9,329.96, 13,994.94 and 8,862.78 is: 13,294.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.96 : 13,994.94 = 8,862.78 : x
  2. Step 2: Convert to fraction form
    9,329.96/13,994.94 = 8,862.78/x
  3. Step 3: Cross multiply
    9,329.96x = 13,994.94 × 8,862.78
  4. Step 4: Simplify right side
    9,329.96x = 124,034,074.33
  5. Step 5: Solve for x
    x = 124,034,074.33/9,329.96
  6. Step 6: Final answer
    x = 13,294.17

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Similar ratio
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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.