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Finding the Fourth Proportional to 22,475.60, 33,636.60 and 19,710.80

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Solution

The fourth proportional to 22,475.60, 33,636.60 and 19,710.80 is: 29,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,475.60 : 33,636.60 = 19,710.80 : x
  2. Step 2: Convert to fraction form
    22,475.60/33,636.60 = 19,710.80/x
  3. Step 3: Cross multiply
    22,475.60x = 33,636.60 × 19,710.80
  4. Step 4: Simplify right side
    22,475.60x = 663,004,295.28
  5. Step 5: Solve for x
    x = 663,004,295.28/22,475.60
  6. Step 6: Final answer
    x = 29,498.85

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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.