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Finding the Fourth Proportional to 8,707.74, 13,063.83 and 4,031.13

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Solution

The fourth proportional to 8,707.74, 13,063.83 and 4,031.13 is: 6,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.74 : 13,063.83 = 4,031.13 : x
  2. Step 2: Convert to fraction form
    8,707.74/13,063.83 = 4,031.13/x
  3. Step 3: Cross multiply
    8,707.74x = 13,063.83 × 4,031.13
  4. Step 4: Simplify right side
    8,707.74x = 52,661,911.55
  5. Step 5: Solve for x
    x = 52,661,911.55/8,707.74
  6. Step 6: Final answer
    x = 6,047.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.