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Finding the Fourth Proportional to 9,876.66, 14,814.51 and 2,480.95

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Solution

The fourth proportional to 9,876.66, 14,814.51 and 2,480.95 is: 3,721.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,876.66 : 14,814.51 = 2,480.95 : x
  2. Step 2: Convert to fraction form
    9,876.66/14,814.51 = 2,480.95/x
  3. Step 3: Cross multiply
    9,876.66x = 14,814.51 × 2,480.95
  4. Step 4: Simplify right side
    9,876.66x = 36,754,058.58
  5. Step 5: Solve for x
    x = 36,754,058.58/9,876.66
  6. Step 6: Final answer
    x = 3,721.30

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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.