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Finding the Fourth Proportional to 25,389.60, 38,007.60 and 22,624.80

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Solution

The fourth proportional to 25,389.60, 38,007.60 and 22,624.80 is: 33,868.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,389.60 : 38,007.60 = 22,624.80 : x
  2. Step 2: Convert to fraction form
    25,389.60/38,007.60 = 22,624.80/x
  3. Step 3: Cross multiply
    25,389.60x = 38,007.60 × 22,624.80
  4. Step 4: Simplify right side
    25,389.60x = 859,914,348.48
  5. Step 5: Solve for x
    x = 859,914,348.48/25,389.60
  6. Step 6: Final answer
    x = 33,868.76

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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.