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Finding the Fourth Proportional to 22,749.60, 34,124.40 and 21,453.60

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Solution

The fourth proportional to 22,749.60, 34,124.40 and 21,453.60 is: 32,180.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,749.60 : 34,124.40 = 21,453.60 : x
  2. Step 2: Convert to fraction form
    22,749.60/34,124.40 = 21,453.60/x
  3. Step 3: Cross multiply
    22,749.60x = 34,124.40 × 21,453.60
  4. Step 4: Simplify right side
    22,749.60x = 732,091,227.84
  5. Step 5: Solve for x
    x = 732,091,227.84/22,749.60
  6. Step 6: Final answer
    x = 32,180.40

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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.