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Finding the Fourth Proportional to 75,215.00, 112,829.99 and 27,842.76

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Solution

The fourth proportional to 75,215.00, 112,829.99 and 27,842.76 is: 41,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,215.00 : 112,829.99 = 27,842.76 : x
  2. Step 2: Convert to fraction form
    75,215.00/112,829.99 = 27,842.76/x
  3. Step 3: Cross multiply
    75,215.00x = 112,829.99 × 27,842.76
  4. Step 4: Simplify right side
    75,215.00x = 3,141,498,193.16
  5. Step 5: Solve for x
    x = 3,141,498,193.16/75,215.00
  6. Step 6: Final answer
    x = 41,766.91

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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.