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Finding the Fourth Proportional to 59,885.20, 89,827.80 and 44,138.80

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Solution

The fourth proportional to 59,885.20, 89,827.80 and 44,138.80 is: 66,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,885.20 : 89,827.80 = 44,138.80 : x
  2. Step 2: Convert to fraction form
    59,885.20/89,827.80 = 44,138.80/x
  3. Step 3: Cross multiply
    59,885.20x = 89,827.80 × 44,138.80
  4. Step 4: Simplify right side
    59,885.20x = 3,964,891,298.64
  5. Step 5: Solve for x
    x = 3,964,891,298.64/59,885.20
  6. Step 6: Final answer
    x = 66,208.20

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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.