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Finding the Fourth Proportional to 64,270.80, 96,393.60 and 17,512.56

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Solution

The fourth proportional to 64,270.80, 96,393.60 and 17,512.56 is: 26,265.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,270.80 : 96,393.60 = 17,512.56 : x
  2. Step 2: Convert to fraction form
    64,270.80/96,393.60 = 17,512.56/x
  3. Step 3: Cross multiply
    64,270.80x = 96,393.60 × 17,512.56
  4. Step 4: Simplify right side
    64,270.80x = 1,688,098,703.62
  5. Step 5: Solve for x
    x = 1,688,098,703.62/64,270.80
  6. Step 6: Final answer
    x = 26,265.41

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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.