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Finding the Fourth Proportional to 56,642.28, 84,948.84 and 23,371.80

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Solution

The fourth proportional to 56,642.28, 84,948.84 and 23,371.80 is: 35,051.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,642.28 : 84,948.84 = 23,371.80 : x
  2. Step 2: Convert to fraction form
    56,642.28/84,948.84 = 23,371.80/x
  3. Step 3: Cross multiply
    56,642.28x = 84,948.84 × 23,371.80
  4. Step 4: Simplify right side
    56,642.28x = 1,985,407,298.71
  5. Step 5: Solve for x
    x = 1,985,407,298.71/56,642.28
  6. Step 6: Final answer
    x = 35,051.68

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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.