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Finding the Fourth Proportional to 61,865.62, 85,374.76 and 33,571.30

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Solution

The fourth proportional to 61,865.62, 85,374.76 and 33,571.30 is: 46,328.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,865.62 : 85,374.76 = 33,571.30 : x
  2. Step 2: Convert to fraction form
    61,865.62/85,374.76 = 33,571.30/x
  3. Step 3: Cross multiply
    61,865.62x = 85,374.76 × 33,571.30
  4. Step 4: Simplify right side
    61,865.62x = 2,866,141,680.39
  5. Step 5: Solve for x
    x = 2,866,141,680.39/61,865.62
  6. Step 6: Final answer
    x = 46,328.50

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1.5x scale

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.