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Finding the Fourth Proportional to 53,479.20, 80,247.60 and 23,901.60

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Solution

The fourth proportional to 53,479.20, 80,247.60 and 23,901.60 is: 35,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,479.20 : 80,247.60 = 23,901.60 : x
  2. Step 2: Convert to fraction form
    53,479.20/80,247.60 = 23,901.60/x
  3. Step 3: Cross multiply
    53,479.20x = 80,247.60 × 23,901.60
  4. Step 4: Simplify right side
    53,479.20x = 1,918,046,036.16
  5. Step 5: Solve for x
    x = 1,918,046,036.16/53,479.20
  6. Step 6: Final answer
    x = 35,865.27

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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.