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Finding the Fourth Proportional to 9,866, 14,805.48 and 3,710

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Solution

The fourth proportional to 9,866, 14,805.48 and 3,710 is: 5,567.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,866 : 14,805.48 = 3,710 : x
  2. Step 2: Convert to fraction form
    9,866/14,805.48 = 3,710/x
  3. Step 3: Cross multiply
    9,866x = 14,805.48 × 3,710
  4. Step 4: Simplify right side
    9,866x = 54,928,330.80
  5. Step 5: Solve for x
    x = 54,928,330.80/9,866
  6. Step 6: Final answer
    x = 5,567.44

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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.