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Finding the Fourth Proportional to 83,353.52, 125,030.32 and 36,606.80

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Solution

The fourth proportional to 83,353.52, 125,030.32 and 36,606.80 is: 54,910.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,353.52 : 125,030.32 = 36,606.80 : x
  2. Step 2: Convert to fraction form
    83,353.52/125,030.32 = 36,606.80/x
  3. Step 3: Cross multiply
    83,353.52x = 125,030.32 × 36,606.80
  4. Step 4: Simplify right side
    83,353.52x = 4,576,959,918.18
  5. Step 5: Solve for x
    x = 4,576,959,918.18/83,353.52
  6. Step 6: Final answer
    x = 54,910.22

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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.