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Finding the Fourth Proportional to 63,294, 87,266.32 and 40,592.94

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Solution

The fourth proportional to 63,294, 87,266.32 and 40,592.94 is: 55,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,294 : 87,266.32 = 40,592.94 : x
  2. Step 2: Convert to fraction form
    63,294/87,266.32 = 40,592.94/x
  3. Step 3: Cross multiply
    63,294x = 87,266.32 × 40,592.94
  4. Step 4: Simplify right side
    63,294x = 3,542,396,491.78
  5. Step 5: Solve for x
    x = 3,542,396,491.78/63,294
  6. Step 6: Final answer
    x = 55,967.33

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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.