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Finding the Fourth Proportional to 2,484.61, 3,726.30 and 753.23

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Solution

The fourth proportional to 2,484.61, 3,726.30 and 753.23 is: 1,129.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484.61 : 3,726.30 = 753.23 : x
  2. Step 2: Convert to fraction form
    2,484.61/3,726.30 = 753.23/x
  3. Step 3: Cross multiply
    2,484.61x = 3,726.30 × 753.23
  4. Step 4: Simplify right side
    2,484.61x = 2,806,773.09
  5. Step 5: Solve for x
    x = 2,806,773.09/2,484.61
  6. Step 6: Final answer
    x = 1,129.66

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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.