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Finding the Fourth Proportional to 22,480.79, 33,703.85 and 8,440.52

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Solution

The fourth proportional to 22,480.79, 33,703.85 and 8,440.52 is: 12,654.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,480.79 : 33,703.85 = 8,440.52 : x
  2. Step 2: Convert to fraction form
    22,480.79/33,703.85 = 8,440.52/x
  3. Step 3: Cross multiply
    22,480.79x = 33,703.85 × 8,440.52
  4. Step 4: Simplify right side
    22,480.79x = 284,477,809.28
  5. Step 5: Solve for x
    x = 284,477,809.28/22,480.79
  6. Step 6: Final answer
    x = 12,654.26

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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.