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Finding the Fourth Proportional to 15,753.74, 23,631.68 and 5,223.33

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Solution

The fourth proportional to 15,753.74, 23,631.68 and 5,223.33 is: 7,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753.74 : 23,631.68 = 5,223.33 : x
  2. Step 2: Convert to fraction form
    15,753.74/23,631.68 = 5,223.33/x
  3. Step 3: Cross multiply
    15,753.74x = 23,631.68 × 5,223.33
  4. Step 4: Simplify right side
    15,753.74x = 123,436,076.15
  5. Step 5: Solve for x
    x = 123,436,076.15/15,753.74
  6. Step 6: Final answer
    x = 7,835.35

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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.