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Finding the Fourth Proportional to 12,502.87, 18,663.04 and 10,926.47

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Solution

The fourth proportional to 12,502.87, 18,663.04 and 10,926.47 is: 16,309.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,502.87 : 18,663.04 = 10,926.47 : x
  2. Step 2: Convert to fraction form
    12,502.87/18,663.04 = 10,926.47/x
  3. Step 3: Cross multiply
    12,502.87x = 18,663.04 × 10,926.47
  4. Step 4: Simplify right side
    12,502.87x = 203,921,146.67
  5. Step 5: Solve for x
    x = 203,921,146.67/12,502.87
  6. Step 6: Final answer
    x = 16,309.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.