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Finding the Fourth Proportional to 8,711.35, 13,060.10 and 4,326.41

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Solution

The fourth proportional to 8,711.35, 13,060.10 and 4,326.41 is: 6,486.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.35 : 13,060.10 = 4,326.41 : x
  2. Step 2: Convert to fraction form
    8,711.35/13,060.10 = 4,326.41/x
  3. Step 3: Cross multiply
    8,711.35x = 13,060.10 × 4,326.41
  4. Step 4: Simplify right side
    8,711.35x = 56,503,390.71
  5. Step 5: Solve for x
    x = 56,503,390.71/8,711.35
  6. Step 6: Final answer
    x = 6,486.18

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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.