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Finding the Fourth Proportional to 54,523.44, 81,775.68 and 17,587.44

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Solution

The fourth proportional to 54,523.44, 81,775.68 and 17,587.44 is: 26,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,523.44 : 81,775.68 = 17,587.44 : x
  2. Step 2: Convert to fraction form
    54,523.44/81,775.68 = 17,587.44/x
  3. Step 3: Cross multiply
    54,523.44x = 81,775.68 × 17,587.44
  4. Step 4: Simplify right side
    54,523.44x = 1,438,224,865.46
  5. Step 5: Solve for x
    x = 1,438,224,865.46/54,523.44
  6. Step 6: Final answer
    x = 26,378.10

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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.