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Finding the Fourth Proportional to 3,374.48, 4,665.48 and 2,591.12

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Solution

The fourth proportional to 3,374.48, 4,665.48 and 2,591.12 is: 3,582.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.48 : 4,665.48 = 2,591.12 : x
  2. Step 2: Convert to fraction form
    3,374.48/4,665.48 = 2,591.12/x
  3. Step 3: Cross multiply
    3,374.48x = 4,665.48 × 2,591.12
  4. Step 4: Simplify right side
    3,374.48x = 12,088,818.54
  5. Step 5: Solve for x
    x = 12,088,818.54/3,374.48
  6. Step 6: Final answer
    x = 3,582.42

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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.