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Finding the Fourth Proportional to 73,808.03, 101,855.32 and 41,979.15

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Solution

The fourth proportional to 73,808.03, 101,855.32 and 41,979.15 is: 57,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,808.03 : 101,855.32 = 41,979.15 : x
  2. Step 2: Convert to fraction form
    73,808.03/101,855.32 = 41,979.15/x
  3. Step 3: Cross multiply
    73,808.03x = 101,855.32 × 41,979.15
  4. Step 4: Simplify right side
    73,808.03x = 4,275,799,756.58
  5. Step 5: Solve for x
    x = 4,275,799,756.58/73,808.03
  6. Step 6: Final answer
    x = 57,931.36

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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.