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Finding the Fourth Proportional to 8,713.70, 13,071.26 and 5,227.53

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Solution

The fourth proportional to 8,713.70, 13,071.26 and 5,227.53 is: 7,841.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.70 : 13,071.26 = 5,227.53 : x
  2. Step 2: Convert to fraction form
    8,713.70/13,071.26 = 5,227.53/x
  3. Step 3: Cross multiply
    8,713.70x = 13,071.26 × 5,227.53
  4. Step 4: Simplify right side
    8,713.70x = 68,330,403.79
  5. Step 5: Solve for x
    x = 68,330,403.79/8,713.70
  6. Step 6: Final answer
    x = 7,841.72

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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.