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Finding the Fourth Proportional to 84,753.27, 127,116.41 and 22,428.63

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Solution

The fourth proportional to 84,753.27, 127,116.41 and 22,428.63 is: 33,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,753.27 : 127,116.41 = 22,428.63 : x
  2. Step 2: Convert to fraction form
    84,753.27/127,116.41 = 22,428.63/x
  3. Step 3: Cross multiply
    84,753.27x = 127,116.41 × 22,428.63
  4. Step 4: Simplify right side
    84,753.27x = 2,851,046,814.68
  5. Step 5: Solve for x
    x = 2,851,046,814.68/84,753.27
  6. Step 6: Final answer
    x = 33,639.37

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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.