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Finding the Fourth Proportional to 3,999.52, 6,003.12 and 1,948.96

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Solution

The fourth proportional to 3,999.52, 6,003.12 and 1,948.96 is: 2,925.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.52 : 6,003.12 = 1,948.96 : x
  2. Step 2: Convert to fraction form
    3,999.52/6,003.12 = 1,948.96/x
  3. Step 3: Cross multiply
    3,999.52x = 6,003.12 × 1,948.96
  4. Step 4: Simplify right side
    3,999.52x = 11,699,840.76
  5. Step 5: Solve for x
    x = 11,699,840.76/3,999.52
  6. Step 6: Final answer
    x = 2,925.31

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1.5x scale

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.