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Finding the Fourth Proportional to 8,865.35, 13,298.02 and 8,324.07

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Solution

The fourth proportional to 8,865.35, 13,298.02 and 8,324.07 is: 12,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.35 : 13,298.02 = 8,324.07 : x
  2. Step 2: Convert to fraction form
    8,865.35/13,298.02 = 8,324.07/x
  3. Step 3: Cross multiply
    8,865.35x = 13,298.02 × 8,324.07
  4. Step 4: Simplify right side
    8,865.35x = 110,693,625.49
  5. Step 5: Solve for x
    x = 110,693,625.49/8,865.35
  6. Step 6: Final answer
    x = 12,486.10

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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.