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Finding the Fourth Proportional to 59,480.84, 89,221.38 and 20,065.60

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Solution

The fourth proportional to 59,480.84, 89,221.38 and 20,065.60 is: 30,098.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,480.84 : 89,221.38 = 20,065.60 : x
  2. Step 2: Convert to fraction form
    59,480.84/89,221.38 = 20,065.60/x
  3. Step 3: Cross multiply
    59,480.84x = 89,221.38 × 20,065.60
  4. Step 4: Simplify right side
    59,480.84x = 1,790,280,522.53
  5. Step 5: Solve for x
    x = 1,790,280,522.53/59,480.84
  6. Step 6: Final answer
    x = 30,098.44

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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.