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Finding the Fourth Proportional to 5,342.92, 7,374.54 and 3,248.44

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Solution

The fourth proportional to 5,342.92, 7,374.54 and 3,248.44 is: 4,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.92 : 7,374.54 = 3,248.44 : x
  2. Step 2: Convert to fraction form
    5,342.92/7,374.54 = 3,248.44/x
  3. Step 3: Cross multiply
    5,342.92x = 7,374.54 × 3,248.44
  4. Step 4: Simplify right side
    5,342.92x = 23,955,750.72
  5. Step 5: Solve for x
    x = 23,955,750.72/5,342.92
  6. Step 6: Final answer
    x = 4,483.64

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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.