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Finding the Fourth Proportional to 3,357.86, 5,036.76 and 1,017.86

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Solution

The fourth proportional to 3,357.86, 5,036.76 and 1,017.86 is: 1,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.86 : 5,036.76 = 1,017.86 : x
  2. Step 2: Convert to fraction form
    3,357.86/5,036.76 = 1,017.86/x
  3. Step 3: Cross multiply
    3,357.86x = 5,036.76 × 1,017.86
  4. Step 4: Simplify right side
    3,357.86x = 5,126,691.35
  5. Step 5: Solve for x
    x = 5,126,691.35/3,357.86
  6. Step 6: Final answer
    x = 1,526.78

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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.