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Finding the Fourth Proportional to 19,751.76, 29,608.02 and 8,073.36

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Solution

The fourth proportional to 19,751.76, 29,608.02 and 8,073.36 is: 12,102.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,751.76 : 29,608.02 = 8,073.36 : x
  2. Step 2: Convert to fraction form
    19,751.76/29,608.02 = 8,073.36/x
  3. Step 3: Cross multiply
    19,751.76x = 29,608.02 × 8,073.36
  4. Step 4: Simplify right side
    19,751.76x = 239,036,204.35
  5. Step 5: Solve for x
    x = 239,036,204.35/19,751.76
  6. Step 6: Final answer
    x = 12,102.02

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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.