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Finding the Fourth Proportional to 2,475.55, 3,713.73 and 832.20

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Solution

The fourth proportional to 2,475.55, 3,713.73 and 832.20 is: 1,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.55 : 3,713.73 = 832.20 : x
  2. Step 2: Convert to fraction form
    2,475.55/3,713.73 = 832.20/x
  3. Step 3: Cross multiply
    2,475.55x = 3,713.73 × 832.20
  4. Step 4: Simplify right side
    2,475.55x = 3,090,566.11
  5. Step 5: Solve for x
    x = 3,090,566.11/2,475.55
  6. Step 6: Final answer
    x = 1,248.44

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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.