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Finding the Fourth Proportional to 22,565.72, 33,811.58 and 15,980.08

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Solution

The fourth proportional to 22,565.72, 33,811.58 and 15,980.08 is: 23,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,565.72 : 33,811.58 = 15,980.08 : x
  2. Step 2: Convert to fraction form
    22,565.72/33,811.58 = 15,980.08/x
  3. Step 3: Cross multiply
    22,565.72x = 33,811.58 × 15,980.08
  4. Step 4: Simplify right side
    22,565.72x = 540,311,753.33
  5. Step 5: Solve for x
    x = 540,311,753.33/22,565.72
  6. Step 6: Final answer
    x = 23,943.92

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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.