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Finding the Fourth Proportional to 59,353.80, 81,963.75 and 38,169.84

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Solution

The fourth proportional to 59,353.80, 81,963.75 and 38,169.84 is: 52,710.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,353.80 : 81,963.75 = 38,169.84 : x
  2. Step 2: Convert to fraction form
    59,353.80/81,963.75 = 38,169.84/x
  3. Step 3: Cross multiply
    59,353.80x = 81,963.75 × 38,169.84
  4. Step 4: Simplify right side
    59,353.80x = 3,128,543,223.30
  5. Step 5: Solve for x
    x = 3,128,543,223.30/59,353.80
  6. Step 6: Final answer
    x = 52,710.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.