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Finding the Fourth Proportional to 65,733.70, 98,600.55 and 28,869.70

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Solution

The fourth proportional to 65,733.70, 98,600.55 and 28,869.70 is: 43,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,733.70 : 98,600.55 = 28,869.70 : x
  2. Step 2: Convert to fraction form
    65,733.70/98,600.55 = 28,869.70/x
  3. Step 3: Cross multiply
    65,733.70x = 98,600.55 × 28,869.70
  4. Step 4: Simplify right side
    65,733.70x = 2,846,568,298.34
  5. Step 5: Solve for x
    x = 2,846,568,298.34/65,733.70
  6. Step 6: Final answer
    x = 43,304.55

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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.