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Finding the Fourth Proportional to 10,854.60, 16,281.90 and 3,062.40

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Solution

The fourth proportional to 10,854.60, 16,281.90 and 3,062.40 is: 4,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.60 : 16,281.90 = 3,062.40 : x
  2. Step 2: Convert to fraction form
    10,854.60/16,281.90 = 3,062.40/x
  3. Step 3: Cross multiply
    10,854.60x = 16,281.90 × 3,062.40
  4. Step 4: Simplify right side
    10,854.60x = 49,861,690.56
  5. Step 5: Solve for x
    x = 49,861,690.56/10,854.60
  6. Step 6: Final answer
    x = 4,593.60

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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.