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Finding the Fourth Proportional to 18,952.68, 26,151.96 and 10,776

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Solution

The fourth proportional to 18,952.68, 26,151.96 and 10,776 is: 14,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,952.68 : 26,151.96 = 10,776 : x
  2. Step 2: Convert to fraction form
    18,952.68/26,151.96 = 10,776/x
  3. Step 3: Cross multiply
    18,952.68x = 26,151.96 × 10,776
  4. Step 4: Simplify right side
    18,952.68x = 281,813,520.96
  5. Step 5: Solve for x
    x = 281,813,520.96/18,952.68
  6. Step 6: Final answer
    x = 14,869.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.