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Finding the Fourth Proportional to 32,699.82, 48,975.90 and 15,132.78

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Solution

The fourth proportional to 32,699.82, 48,975.90 and 15,132.78 is: 22,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,699.82 : 48,975.90 = 15,132.78 : x
  2. Step 2: Convert to fraction form
    32,699.82/48,975.90 = 15,132.78/x
  3. Step 3: Cross multiply
    32,699.82x = 48,975.90 × 15,132.78
  4. Step 4: Simplify right side
    32,699.82x = 741,141,520.00
  5. Step 5: Solve for x
    x = 741,141,520.00/32,699.82
  6. Step 6: Final answer
    x = 22,665.00

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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.