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Finding the Fourth Proportional to 73,403.97, 101,295.78 and 42,775.11

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Solution

The fourth proportional to 73,403.97, 101,295.78 and 42,775.11 is: 59,028.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,403.97 : 101,295.78 = 42,775.11 : x
  2. Step 2: Convert to fraction form
    73,403.97/101,295.78 = 42,775.11/x
  3. Step 3: Cross multiply
    73,403.97x = 101,295.78 × 42,775.11
  4. Step 4: Simplify right side
    73,403.97x = 4,332,937,625.56
  5. Step 5: Solve for x
    x = 4,332,937,625.56/73,403.97
  6. Step 6: Final answer
    x = 59,028.66

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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.