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Finding the Fourth Proportional to 27,088.80, 40,633.20 and 23,632.80

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Solution

The fourth proportional to 27,088.80, 40,633.20 and 23,632.80 is: 35,449.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,088.80 : 40,633.20 = 23,632.80 : x
  2. Step 2: Convert to fraction form
    27,088.80/40,633.20 = 23,632.80/x
  3. Step 3: Cross multiply
    27,088.80x = 40,633.20 × 23,632.80
  4. Step 4: Simplify right side
    27,088.80x = 960,276,288.96
  5. Step 5: Solve for x
    x = 960,276,288.96/27,088.80
  6. Step 6: Final answer
    x = 35,449.20

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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.