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Finding the Fourth Proportional to 84,886.77, 127,349.82 and 24,912.80

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Solution

The fourth proportional to 84,886.77, 127,349.82 and 24,912.80 is: 37,374.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,886.77 : 127,349.82 = 24,912.80 : x
  2. Step 2: Convert to fraction form
    84,886.77/127,349.82 = 24,912.80/x
  3. Step 3: Cross multiply
    84,886.77x = 127,349.82 × 24,912.80
  4. Step 4: Simplify right side
    84,886.77x = 3,172,639,958.95
  5. Step 5: Solve for x
    x = 3,172,639,958.95/84,886.77
  6. Step 6: Final answer
    x = 37,374.96

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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.