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Finding the Fourth Proportional to 59,760.40, 89,640.60 and 34,828.60

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Solution

The fourth proportional to 59,760.40, 89,640.60 and 34,828.60 is: 52,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,760.40 : 89,640.60 = 34,828.60 : x
  2. Step 2: Convert to fraction form
    59,760.40/89,640.60 = 34,828.60/x
  3. Step 3: Cross multiply
    59,760.40x = 89,640.60 × 34,828.60
  4. Step 4: Simplify right side
    59,760.40x = 3,122,056,601.16
  5. Step 5: Solve for x
    x = 3,122,056,601.16/59,760.40
  6. Step 6: Final answer
    x = 52,242.90

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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.