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Finding the Fourth Proportional to 2,432.61, 3,648.95 and 701.25

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Solution

The fourth proportional to 2,432.61, 3,648.95 and 701.25 is: 1,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.61 : 3,648.95 = 701.25 : x
  2. Step 2: Convert to fraction form
    2,432.61/3,648.95 = 701.25/x
  3. Step 3: Cross multiply
    2,432.61x = 3,648.95 × 701.25
  4. Step 4: Simplify right side
    2,432.61x = 2,558,822.68
  5. Step 5: Solve for x
    x = 2,558,822.68/2,432.61
  6. Step 6: Final answer
    x = 1,051.88

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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.