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Finding the Fourth Proportional to 10,773, 16,160.45 and 2,981.88

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Solution

The fourth proportional to 10,773, 16,160.45 and 2,981.88 is: 4,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,773 : 16,160.45 = 2,981.88 : x
  2. Step 2: Convert to fraction form
    10,773/16,160.45 = 2,981.88/x
  3. Step 3: Cross multiply
    10,773x = 16,160.45 × 2,981.88
  4. Step 4: Simplify right side
    10,773x = 48,188,507.74
  5. Step 5: Solve for x
    x = 48,188,507.74/10,773
  6. Step 6: Final answer
    x = 4,473.08

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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.