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Finding the Fourth Proportional to 59,998.20, 89,867.70 and 49,630.20

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Solution

The fourth proportional to 59,998.20, 89,867.70 and 49,630.20 is: 74,338.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,998.20 : 89,867.70 = 49,630.20 : x
  2. Step 2: Convert to fraction form
    59,998.20/89,867.70 = 49,630.20/x
  3. Step 3: Cross multiply
    59,998.20x = 89,867.70 × 49,630.20
  4. Step 4: Simplify right side
    59,998.20x = 4,460,151,924.54
  5. Step 5: Solve for x
    x = 4,460,151,924.54/59,998.20
  6. Step 6: Final answer
    x = 74,338.10

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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.