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Finding the Fourth Proportional to 61,865.74, 85,374.95 and 33,571.42

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Solution

The fourth proportional to 61,865.74, 85,374.95 and 33,571.42 is: 46,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,865.74 : 85,374.95 = 33,571.42 : x
  2. Step 2: Convert to fraction form
    61,865.74/85,374.95 = 33,571.42/x
  3. Step 3: Cross multiply
    61,865.74x = 85,374.95 × 33,571.42
  4. Step 4: Simplify right side
    61,865.74x = 2,866,158,303.93
  5. Step 5: Solve for x
    x = 2,866,158,303.93/61,865.74
  6. Step 6: Final answer
    x = 46,328.68

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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.