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Finding the Fourth Proportional to 4,187.52, 5,773.92 and 3,933.24

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Solution

The fourth proportional to 4,187.52, 5,773.92 and 3,933.24 is: 5,423.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.52 : 5,773.92 = 3,933.24 : x
  2. Step 2: Convert to fraction form
    4,187.52/5,773.92 = 3,933.24/x
  3. Step 3: Cross multiply
    4,187.52x = 5,773.92 × 3,933.24
  4. Step 4: Simplify right side
    4,187.52x = 22,710,213.10
  5. Step 5: Solve for x
    x = 22,710,213.10/4,187.52
  6. Step 6: Final answer
    x = 5,423.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.