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Finding the Fourth Proportional to 4,170.92, 6,254.84 and 1,248.24

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Solution

The fourth proportional to 4,170.92, 6,254.84 and 1,248.24 is: 1,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.92 : 6,254.84 = 1,248.24 : x
  2. Step 2: Convert to fraction form
    4,170.92/6,254.84 = 1,248.24/x
  3. Step 3: Cross multiply
    4,170.92x = 6,254.84 × 1,248.24
  4. Step 4: Simplify right side
    4,170.92x = 7,807,541.48
  5. Step 5: Solve for x
    x = 7,807,541.48/4,170.92
  6. Step 6: Final answer
    x = 1,871.90

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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.