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Finding the Fourth Proportional to 84,773.76, 127,162.82 and 25,611.36

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Solution

The fourth proportional to 84,773.76, 127,162.82 and 25,611.36 is: 38,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,773.76 : 127,162.82 = 25,611.36 : x
  2. Step 2: Convert to fraction form
    84,773.76/127,162.82 = 25,611.36/x
  3. Step 3: Cross multiply
    84,773.76x = 127,162.82 × 25,611.36
  4. Step 4: Simplify right side
    84,773.76x = 3,256,812,761.64
  5. Step 5: Solve for x
    x = 3,256,812,761.64/84,773.76
  6. Step 6: Final answer
    x = 38,417.70

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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.