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Finding the Fourth Proportional to 48,842.70, 73,264.05 and 11,906.70

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Solution

The fourth proportional to 48,842.70, 73,264.05 and 11,906.70 is: 17,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,842.70 : 73,264.05 = 11,906.70 : x
  2. Step 2: Convert to fraction form
    48,842.70/73,264.05 = 11,906.70/x
  3. Step 3: Cross multiply
    48,842.70x = 73,264.05 × 11,906.70
  4. Step 4: Simplify right side
    48,842.70x = 872,333,064.14
  5. Step 5: Solve for x
    x = 872,333,064.14/48,842.70
  6. Step 6: Final answer
    x = 17,860.05

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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.