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Finding the Fourth Proportional to 1,148.04, 1,719.51 and 886.14

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Solution

The fourth proportional to 1,148.04, 1,719.51 and 886.14 is: 1,327.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.04 : 1,719.51 = 886.14 : x
  2. Step 2: Convert to fraction form
    1,148.04/1,719.51 = 886.14/x
  3. Step 3: Cross multiply
    1,148.04x = 1,719.51 × 886.14
  4. Step 4: Simplify right side
    1,148.04x = 1,523,726.59
  5. Step 5: Solve for x
    x = 1,523,726.59/1,148.04
  6. Step 6: Final answer
    x = 1,327.24

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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.