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Finding the Fourth Proportional to 48,118, 66,402.84 and 26,896.81

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Solution

The fourth proportional to 48,118, 66,402.84 and 26,896.81 is: 37,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,118 : 66,402.84 = 26,896.81 : x
  2. Step 2: Convert to fraction form
    48,118/66,402.84 = 26,896.81/x
  3. Step 3: Cross multiply
    48,118x = 66,402.84 × 26,896.81
  4. Step 4: Simplify right side
    48,118x = 1,786,024,570.94
  5. Step 5: Solve for x
    x = 1,786,024,570.94/48,118
  6. Step 6: Final answer
    x = 37,117.60

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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.