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Finding the Fourth Proportional to 84,878.28, 127,317.60 and 22,548.60

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Solution

The fourth proportional to 84,878.28, 127,317.60 and 22,548.60 is: 33,822.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,878.28 : 127,317.60 = 22,548.60 : x
  2. Step 2: Convert to fraction form
    84,878.28/127,317.60 = 22,548.60/x
  3. Step 3: Cross multiply
    84,878.28x = 127,317.60 × 22,548.60
  4. Step 4: Simplify right side
    84,878.28x = 2,870,833,635.36
  5. Step 5: Solve for x
    x = 2,870,833,635.36/84,878.28
  6. Step 6: Final answer
    x = 33,822.95

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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.