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Finding the Fourth Proportional to 48,672.70, 73,009.05 and 33,120.70

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Solution

The fourth proportional to 48,672.70, 73,009.05 and 33,120.70 is: 49,681.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,672.70 : 73,009.05 = 33,120.70 : x
  2. Step 2: Convert to fraction form
    48,672.70/73,009.05 = 33,120.70/x
  3. Step 3: Cross multiply
    48,672.70x = 73,009.05 × 33,120.70
  4. Step 4: Simplify right side
    48,672.70x = 2,418,110,842.34
  5. Step 5: Solve for x
    x = 2,418,110,842.34/48,672.70
  6. Step 6: Final answer
    x = 49,681.05

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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.