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Finding the Fourth Proportional to 17,851.20, 26,757.60 and 6,753.60

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Solution

The fourth proportional to 17,851.20, 26,757.60 and 6,753.60 is: 10,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,851.20 : 26,757.60 = 6,753.60 : x
  2. Step 2: Convert to fraction form
    17,851.20/26,757.60 = 6,753.60/x
  3. Step 3: Cross multiply
    17,851.20x = 26,757.60 × 6,753.60
  4. Step 4: Simplify right side
    17,851.20x = 180,710,127.36
  5. Step 5: Solve for x
    x = 180,710,127.36/17,851.20
  6. Step 6: Final answer
    x = 10,123.14

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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.