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Finding the Fourth Proportional to 2,484.12, 3,726.16 and 752.76

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Solution

The fourth proportional to 2,484.12, 3,726.16 and 752.76 is: 1,129.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,484.12 : 3,726.16 = 752.76 : x
  2. Step 2: Convert to fraction form
    2,484.12/3,726.16 = 752.76/x
  3. Step 3: Cross multiply
    2,484.12x = 3,726.16 × 752.76
  4. Step 4: Simplify right side
    2,484.12x = 2,804,904.20
  5. Step 5: Solve for x
    x = 2,804,904.20/2,484.12
  6. Step 6: Final answer
    x = 1,129.13

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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.