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Finding the Fourth Proportional to 9,866.63, 14,799.95 and 2,750.58

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Solution

The fourth proportional to 9,866.63, 14,799.95 and 2,750.58 is: 4,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,866.63 : 14,799.95 = 2,750.58 : x
  2. Step 2: Convert to fraction form
    9,866.63/14,799.95 = 2,750.58/x
  3. Step 3: Cross multiply
    9,866.63x = 14,799.95 × 2,750.58
  4. Step 4: Simplify right side
    9,866.63x = 40,708,484.66
  5. Step 5: Solve for x
    x = 40,708,484.66/9,866.63
  6. Step 6: Final answer
    x = 4,125.88

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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.