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Finding the Fourth Proportional to 1,164.97, 1,743.35 and 888.86

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Solution

The fourth proportional to 1,164.97, 1,743.35 and 888.86 is: 1,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164.97 : 1,743.35 = 888.86 : x
  2. Step 2: Convert to fraction form
    1,164.97/1,743.35 = 888.86/x
  3. Step 3: Cross multiply
    1,164.97x = 1,743.35 × 888.86
  4. Step 4: Simplify right side
    1,164.97x = 1,549,594.08
  5. Step 5: Solve for x
    x = 1,549,594.08/1,164.97
  6. Step 6: Final answer
    x = 1,330.16

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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.