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Finding the Fourth Proportional to 65,229.40, 97,885.28 and 27,789.49

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Solution

The fourth proportional to 65,229.40, 97,885.28 and 27,789.49 is: 41,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,229.40 : 97,885.28 = 27,789.49 : x
  2. Step 2: Convert to fraction form
    65,229.40/97,885.28 = 27,789.49/x
  3. Step 3: Cross multiply
    65,229.40x = 97,885.28 × 27,789.49
  4. Step 4: Simplify right side
    65,229.40x = 2,720,182,009.71
  5. Step 5: Solve for x
    x = 2,720,182,009.71/65,229.40
  6. Step 6: Final answer
    x = 41,701.78

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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.