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Finding the Fourth Proportional to 40,856.43, 56,375.74 and 22,948.01

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Solution

The fourth proportional to 40,856.43, 56,375.74 and 22,948.01 is: 31,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,856.43 : 56,375.74 = 22,948.01 : x
  2. Step 2: Convert to fraction form
    40,856.43/56,375.74 = 22,948.01/x
  3. Step 3: Cross multiply
    40,856.43x = 56,375.74 × 22,948.01
  4. Step 4: Simplify right side
    40,856.43x = 1,293,710,648.66
  5. Step 5: Solve for x
    x = 1,293,710,648.66/40,856.43
  6. Step 6: Final answer
    x = 31,664.80

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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.