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Finding the Fourth Proportional to 3,251.78, 4,877.16 and 1,060.50

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Solution

The fourth proportional to 3,251.78, 4,877.16 and 1,060.50 is: 1,590.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.78 : 4,877.16 = 1,060.50 : x
  2. Step 2: Convert to fraction form
    3,251.78/4,877.16 = 1,060.50/x
  3. Step 3: Cross multiply
    3,251.78x = 4,877.16 × 1,060.50
  4. Step 4: Simplify right side
    3,251.78x = 5,172,228.18
  5. Step 5: Solve for x
    x = 5,172,228.18/3,251.78
  6. Step 6: Final answer
    x = 1,590.58

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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.