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Finding the Fourth Proportional to 20,569.24, 30,866.20 and 8,882.45

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Solution

The fourth proportional to 20,569.24, 30,866.20 and 8,882.45 is: 13,329.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,569.24 : 30,866.20 = 8,882.45 : x
  2. Step 2: Convert to fraction form
    20,569.24/30,866.20 = 8,882.45/x
  3. Step 3: Cross multiply
    20,569.24x = 30,866.20 × 8,882.45
  4. Step 4: Simplify right side
    20,569.24x = 274,167,478.19
  5. Step 5: Solve for x
    x = 274,167,478.19/20,569.24
  6. Step 6: Final answer
    x = 13,329.00

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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.