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Finding the Fourth Proportional to 53,491.20, 80,265.60 and 23,913.60

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Solution

The fourth proportional to 53,491.20, 80,265.60 and 23,913.60 is: 35,883.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,491.20 : 80,265.60 = 23,913.60 : x
  2. Step 2: Convert to fraction form
    53,491.20/80,265.60 = 23,913.60/x
  3. Step 3: Cross multiply
    53,491.20x = 80,265.60 × 23,913.60
  4. Step 4: Simplify right side
    53,491.20x = 1,919,439,452.16
  5. Step 5: Solve for x
    x = 1,919,439,452.16/53,491.20
  6. Step 6: Final answer
    x = 35,883.28

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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.