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Finding the Fourth Proportional to 45,655.88, 63,005.11 and 27,747.54

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Solution

The fourth proportional to 45,655.88, 63,005.11 and 27,747.54 is: 38,291.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,655.88 : 63,005.11 = 27,747.54 : x
  2. Step 2: Convert to fraction form
    45,655.88/63,005.11 = 27,747.54/x
  3. Step 3: Cross multiply
    45,655.88x = 63,005.11 × 27,747.54
  4. Step 4: Simplify right side
    45,655.88x = 1,748,236,740.56
  5. Step 5: Solve for x
    x = 1,748,236,740.56/45,655.88
  6. Step 6: Final answer
    x = 38,291.61

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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.