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Finding the Fourth Proportional to 22,559.79, 33,829.16 and 8,508.99

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Solution

The fourth proportional to 22,559.79, 33,829.16 and 8,508.99 is: 12,759.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,559.79 : 33,829.16 = 8,508.99 : x
  2. Step 2: Convert to fraction form
    22,559.79/33,829.16 = 8,508.99/x
  3. Step 3: Cross multiply
    22,559.79x = 33,829.16 × 8,508.99
  4. Step 4: Simplify right side
    22,559.79x = 287,851,941.60
  5. Step 5: Solve for x
    x = 287,851,941.60/22,559.79
  6. Step 6: Final answer
    x = 12,759.51

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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.