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Finding the Fourth Proportional to 73,832.72, 101,891.60 and 40,298.72

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Solution

The fourth proportional to 73,832.72, 101,891.60 and 40,298.72 is: 55,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,832.72 : 101,891.60 = 40,298.72 : x
  2. Step 2: Convert to fraction form
    73,832.72/101,891.60 = 40,298.72/x
  3. Step 3: Cross multiply
    73,832.72x = 101,891.60 × 40,298.72
  4. Step 4: Simplify right side
    73,832.72x = 4,106,101,058.75
  5. Step 5: Solve for x
    x = 4,106,101,058.75/73,832.72
  6. Step 6: Final answer
    x = 55,613.57

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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.