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Finding the Fourth Proportional to 59,823.80, 89,735.70 and 38,828.60

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Solution

The fourth proportional to 59,823.80, 89,735.70 and 38,828.60 is: 58,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,823.80 : 89,735.70 = 38,828.60 : x
  2. Step 2: Convert to fraction form
    59,823.80/89,735.70 = 38,828.60/x
  3. Step 3: Cross multiply
    59,823.80x = 89,735.70 × 38,828.60
  4. Step 4: Simplify right side
    59,823.80x = 3,484,311,601.02
  5. Step 5: Solve for x
    x = 3,484,311,601.02/59,823.80
  6. Step 6: Final answer
    x = 58,242.90

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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.