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Finding the Fourth Proportional to 10,773.60, 16,160.40 and 2,981.76

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Solution

The fourth proportional to 10,773.60, 16,160.40 and 2,981.76 is: 4,472.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,773.60 : 16,160.40 = 2,981.76 : x
  2. Step 2: Convert to fraction form
    10,773.60/16,160.40 = 2,981.76/x
  3. Step 3: Cross multiply
    10,773.60x = 16,160.40 × 2,981.76
  4. Step 4: Simplify right side
    10,773.60x = 48,186,434.30
  5. Step 5: Solve for x
    x = 48,186,434.30/10,773.60
  6. Step 6: Final answer
    x = 4,472.64

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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.