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Finding the Fourth Proportional to 2,248.08, 3,372.18 and 787.32

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Solution

The fourth proportional to 2,248.08, 3,372.18 and 787.32 is: 1,181.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.08 : 3,372.18 = 787.32 : x
  2. Step 2: Convert to fraction form
    2,248.08/3,372.18 = 787.32/x
  3. Step 3: Cross multiply
    2,248.08x = 3,372.18 × 787.32
  4. Step 4: Simplify right side
    2,248.08x = 2,654,984.76
  5. Step 5: Solve for x
    x = 2,654,984.76/2,248.08
  6. Step 6: Final answer
    x = 1,181.00

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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.