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Finding the Fourth Proportional to 48,479.70, 66,902.82 and 26,971.16

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Solution

The fourth proportional to 48,479.70, 66,902.82 and 26,971.16 is: 37,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,479.70 : 66,902.82 = 26,971.16 : x
  2. Step 2: Convert to fraction form
    48,479.70/66,902.82 = 26,971.16/x
  3. Step 3: Cross multiply
    48,479.70x = 66,902.82 × 26,971.16
  4. Step 4: Simplify right side
    48,479.70x = 1,804,446,662.67
  5. Step 5: Solve for x
    x = 1,804,446,662.67/48,479.70
  6. Step 6: Final answer
    x = 37,220.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.