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Finding the Fourth Proportional to 59,138.40, 88,772.40 and 36,976.80

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Solution

The fourth proportional to 59,138.40, 88,772.40 and 36,976.80 is: 55,505.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,138.40 : 88,772.40 = 36,976.80 : x
  2. Step 2: Convert to fraction form
    59,138.40/88,772.40 = 36,976.80/x
  3. Step 3: Cross multiply
    59,138.40x = 88,772.40 × 36,976.80
  4. Step 4: Simplify right side
    59,138.40x = 3,282,519,280.32
  5. Step 5: Solve for x
    x = 3,282,519,280.32/59,138.40
  6. Step 6: Final answer
    x = 55,505.72

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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.