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Finding the Fourth Proportional to 84,009.71, 126,039.18 and 24,846.95

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Solution

The fourth proportional to 84,009.71, 126,039.18 and 24,846.95 is: 37,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,009.71 : 126,039.18 = 24,846.95 : x
  2. Step 2: Convert to fraction form
    84,009.71/126,039.18 = 24,846.95/x
  3. Step 3: Cross multiply
    84,009.71x = 126,039.18 × 24,846.95
  4. Step 4: Simplify right side
    84,009.71x = 3,131,689,203.50
  5. Step 5: Solve for x
    x = 3,131,689,203.50/84,009.71
  6. Step 6: Final answer
    x = 37,277.71

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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.