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Finding the Fourth Proportional to 22,358.70, 33,559.65 and 13,610.70

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Solution

The fourth proportional to 22,358.70, 33,559.65 and 13,610.70 is: 20,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,358.70 : 33,559.65 = 13,610.70 : x
  2. Step 2: Convert to fraction form
    22,358.70/33,559.65 = 13,610.70/x
  3. Step 3: Cross multiply
    22,358.70x = 33,559.65 × 13,610.70
  4. Step 4: Simplify right side
    22,358.70x = 456,770,328.26
  5. Step 5: Solve for x
    x = 456,770,328.26/22,358.70
  6. Step 6: Final answer
    x = 20,429.20

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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.