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Finding the Fourth Proportional to 73,133.25, 109,699.88 and 17,729.25

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Solution

The fourth proportional to 73,133.25, 109,699.88 and 17,729.25 is: 26,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,133.25 : 109,699.88 = 17,729.25 : x
  2. Step 2: Convert to fraction form
    73,133.25/109,699.88 = 17,729.25/x
  3. Step 3: Cross multiply
    73,133.25x = 109,699.88 × 17,729.25
  4. Step 4: Simplify right side
    73,133.25x = 1,944,896,508.84
  5. Step 5: Solve for x
    x = 1,944,896,508.84/73,133.25
  6. Step 6: Final answer
    x = 26,593.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.