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Finding the Fourth Proportional to 9,079.84, 13,601.40 and 8,323.84

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Solution

The fourth proportional to 9,079.84, 13,601.40 and 8,323.84 is: 12,468.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.84 : 13,601.40 = 8,323.84 : x
  2. Step 2: Convert to fraction form
    9,079.84/13,601.40 = 8,323.84/x
  3. Step 3: Cross multiply
    9,079.84x = 13,601.40 × 8,323.84
  4. Step 4: Simplify right side
    9,079.84x = 113,215,877.38
  5. Step 5: Solve for x
    x = 113,215,877.38/9,079.84
  6. Step 6: Final answer
    x = 12,468.93

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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.