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Finding the Fourth Proportional to 10,366.95, 15,550.43 and 7,256.55

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Solution

The fourth proportional to 10,366.95, 15,550.43 and 7,256.55 is: 10,884.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.95 : 15,550.43 = 7,256.55 : x
  2. Step 2: Convert to fraction form
    10,366.95/15,550.43 = 7,256.55/x
  3. Step 3: Cross multiply
    10,366.95x = 15,550.43 × 7,256.55
  4. Step 4: Simplify right side
    10,366.95x = 112,842,436.53
  5. Step 5: Solve for x
    x = 112,842,436.53/10,366.95
  6. Step 6: Final answer
    x = 10,884.83

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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.