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Finding the Fourth Proportional to 1,726.48, 2,588.64 and 801.48

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Solution

The fourth proportional to 1,726.48, 2,588.64 and 801.48 is: 1,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.48 : 2,588.64 = 801.48 : x
  2. Step 2: Convert to fraction form
    1,726.48/2,588.64 = 801.48/x
  3. Step 3: Cross multiply
    1,726.48x = 2,588.64 × 801.48
  4. Step 4: Simplify right side
    1,726.48x = 2,074,743.19
  5. Step 5: Solve for x
    x = 2,074,743.19/1,726.48
  6. Step 6: Final answer
    x = 1,201.72

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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.