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Finding the Fourth Proportional to 69,859.97, 96,406.77 and 38,029.11

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Solution

The fourth proportional to 69,859.97, 96,406.77 and 38,029.11 is: 52,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,859.97 : 96,406.77 = 38,029.11 : x
  2. Step 2: Convert to fraction form
    69,859.97/96,406.77 = 38,029.11/x
  3. Step 3: Cross multiply
    69,859.97x = 96,406.77 × 38,029.11
  4. Step 4: Simplify right side
    69,859.97x = 3,666,263,179.04
  5. Step 5: Solve for x
    x = 3,666,263,179.04/69,859.97
  6. Step 6: Final answer
    x = 52,480.17

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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.