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Finding the Fourth Proportional to 61,833.78, 85,331.07 and 33,539.67

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Solution

The fourth proportional to 61,833.78, 85,331.07 and 33,539.67 is: 46,284.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,833.78 : 85,331.07 = 33,539.67 : x
  2. Step 2: Convert to fraction form
    61,833.78/85,331.07 = 33,539.67/x
  3. Step 3: Cross multiply
    61,833.78x = 85,331.07 × 33,539.67
  4. Step 4: Simplify right side
    61,833.78x = 2,861,975,928.55
  5. Step 5: Solve for x
    x = 2,861,975,928.55/61,833.78
  6. Step 6: Final answer
    x = 46,284.99

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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.