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Finding the Fourth Proportional to 1,151.64, 1,726.92 and 501.84

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Solution

The fourth proportional to 1,151.64, 1,726.92 and 501.84 is: 752.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151.64 : 1,726.92 = 501.84 : x
  2. Step 2: Convert to fraction form
    1,151.64/1,726.92 = 501.84/x
  3. Step 3: Cross multiply
    1,151.64x = 1,726.92 × 501.84
  4. Step 4: Simplify right side
    1,151.64x = 866,637.53
  5. Step 5: Solve for x
    x = 866,637.53/1,151.64
  6. Step 6: Final answer
    x = 752.52

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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.