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Finding the Fourth Proportional to 55,394.28, 83,091.60 and 15,951.60

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Solution

The fourth proportional to 55,394.28, 83,091.60 and 15,951.60 is: 23,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,394.28 : 83,091.60 = 15,951.60 : x
  2. Step 2: Convert to fraction form
    55,394.28/83,091.60 = 15,951.60/x
  3. Step 3: Cross multiply
    55,394.28x = 83,091.60 × 15,951.60
  4. Step 4: Simplify right side
    55,394.28x = 1,325,443,966.56
  5. Step 5: Solve for x
    x = 1,325,443,966.56/55,394.28
  6. Step 6: Final answer
    x = 23,927.45

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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.