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Finding the Fourth Proportional to 73,613.39, 101,584.87 and 42,991.74

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Solution

The fourth proportional to 73,613.39, 101,584.87 and 42,991.74 is: 59,327.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,613.39 : 101,584.87 = 42,991.74 : x
  2. Step 2: Convert to fraction form
    73,613.39/101,584.87 = 42,991.74/x
  3. Step 3: Cross multiply
    73,613.39x = 101,584.87 × 42,991.74
  4. Step 4: Simplify right side
    73,613.39x = 4,367,310,211.49
  5. Step 5: Solve for x
    x = 4,367,310,211.49/73,613.39
  6. Step 6: Final answer
    x = 59,327.66

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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.