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Finding the Fourth Proportional to 23,976.80, 36,008.40 and 23,199.20

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Solution

The fourth proportional to 23,976.80, 36,008.40 and 23,199.20 is: 34,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,976.80 : 36,008.40 = 23,199.20 : x
  2. Step 2: Convert to fraction form
    23,976.80/36,008.40 = 23,199.20/x
  3. Step 3: Cross multiply
    23,976.80x = 36,008.40 × 23,199.20
  4. Step 4: Simplify right side
    23,976.80x = 835,366,073.28
  5. Step 5: Solve for x
    x = 835,366,073.28/23,976.80
  6. Step 6: Final answer
    x = 34,840.60

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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.