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Finding the Fourth Proportional to 9,251.01, 13,876.65 and 4,320

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Solution

The fourth proportional to 9,251.01, 13,876.65 and 4,320 is: 6,480.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.01 : 13,876.65 = 4,320 : x
  2. Step 2: Convert to fraction form
    9,251.01/13,876.65 = 4,320/x
  3. Step 3: Cross multiply
    9,251.01x = 13,876.65 × 4,320
  4. Step 4: Simplify right side
    9,251.01x = 59,947,128
  5. Step 5: Solve for x
    x = 59,947,128/9,251.01
  6. Step 6: Final answer
    x = 6,480.06

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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.