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Finding the Fourth Proportional to 10,448.68, 15,675.36 and 3,523

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Solution

The fourth proportional to 10,448.68, 15,675.36 and 3,523 is: 5,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.68 : 15,675.36 = 3,523 : x
  2. Step 2: Convert to fraction form
    10,448.68/15,675.36 = 3,523/x
  3. Step 3: Cross multiply
    10,448.68x = 15,675.36 × 3,523
  4. Step 4: Simplify right side
    10,448.68x = 55,224,293.28
  5. Step 5: Solve for x
    x = 55,224,293.28/10,448.68
  6. Step 6: Final answer
    x = 5,285.29

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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.