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Finding the Fourth Proportional to 4,881.60, 7,306.02 and 4,061.52

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Solution

The fourth proportional to 4,881.60, 7,306.02 and 4,061.52 is: 6,078.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.60 : 7,306.02 = 4,061.52 : x
  2. Step 2: Convert to fraction form
    4,881.60/7,306.02 = 4,061.52/x
  3. Step 3: Cross multiply
    4,881.60x = 7,306.02 × 4,061.52
  4. Step 4: Simplify right side
    4,881.60x = 29,673,546.35
  5. Step 5: Solve for x
    x = 29,673,546.35/4,881.60
  6. Step 6: Final answer
    x = 6,078.65

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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.