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Finding the Fourth Proportional to 59,867.80, 89,801.70 and 30,343.30

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Solution

The fourth proportional to 59,867.80, 89,801.70 and 30,343.30 is: 45,514.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,867.80 : 89,801.70 = 30,343.30 : x
  2. Step 2: Convert to fraction form
    59,867.80/89,801.70 = 30,343.30/x
  3. Step 3: Cross multiply
    59,867.80x = 89,801.70 × 30,343.30
  4. Step 4: Simplify right side
    59,867.80x = 2,724,879,923.61
  5. Step 5: Solve for x
    x = 2,724,879,923.61/59,867.80
  6. Step 6: Final answer
    x = 45,514.95

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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.