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Finding the Fourth Proportional to 9,866.48, 14,799.87 and 3,292.70

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Solution

The fourth proportional to 9,866.48, 14,799.87 and 3,292.70 is: 4,939.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,866.48 : 14,799.87 = 3,292.70 : x
  2. Step 2: Convert to fraction form
    9,866.48/14,799.87 = 3,292.70/x
  3. Step 3: Cross multiply
    9,866.48x = 14,799.87 × 3,292.70
  4. Step 4: Simplify right side
    9,866.48x = 48,731,457.95
  5. Step 5: Solve for x
    x = 48,731,457.95/9,866.48
  6. Step 6: Final answer
    x = 4,939.10

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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.