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Finding the Fourth Proportional to 3,531.86, 5,298.03 and 1,066.86

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Solution

The fourth proportional to 3,531.86, 5,298.03 and 1,066.86 is: 1,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.86 : 5,298.03 = 1,066.86 : x
  2. Step 2: Convert to fraction form
    3,531.86/5,298.03 = 1,066.86/x
  3. Step 3: Cross multiply
    3,531.86x = 5,298.03 × 1,066.86
  4. Step 4: Simplify right side
    3,531.86x = 5,652,256.29
  5. Step 5: Solve for x
    x = 5,652,256.29/3,531.86
  6. Step 6: Final answer
    x = 1,600.36

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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.