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Finding the Fourth Proportional to 11,962.50, 17,948.08 and 3,754.50

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Solution

The fourth proportional to 11,962.50, 17,948.08 and 3,754.50 is: 5,633.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962.50 : 17,948.08 = 3,754.50 : x
  2. Step 2: Convert to fraction form
    11,962.50/17,948.08 = 3,754.50/x
  3. Step 3: Cross multiply
    11,962.50x = 17,948.08 × 3,754.50
  4. Step 4: Simplify right side
    11,962.50x = 67,386,066.36
  5. Step 5: Solve for x
    x = 67,386,066.36/11,962.50
  6. Step 6: Final answer
    x = 5,633.11

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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.