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Finding the Fourth Proportional to 1,654.86, 2,482.70 and 1,168.86

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Solution

The fourth proportional to 1,654.86, 2,482.70 and 1,168.86 is: 1,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.86 : 2,482.70 = 1,168.86 : x
  2. Step 2: Convert to fraction form
    1,654.86/2,482.70 = 1,168.86/x
  3. Step 3: Cross multiply
    1,654.86x = 2,482.70 × 1,168.86
  4. Step 4: Simplify right side
    1,654.86x = 2,901,928.72
  5. Step 5: Solve for x
    x = 2,901,928.72/1,654.86
  6. Step 6: Final answer
    x = 1,753.58

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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.