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Finding the Fourth Proportional to 61,861.68, 85,366.62 and 33,566.76

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Solution

The fourth proportional to 61,861.68, 85,366.62 and 33,566.76 is: 46,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,861.68 : 85,366.62 = 33,566.76 : x
  2. Step 2: Convert to fraction form
    61,861.68/85,366.62 = 33,566.76/x
  3. Step 3: Cross multiply
    61,861.68x = 85,366.62 × 33,566.76
  4. Step 4: Simplify right side
    61,861.68x = 2,865,480,845.55
  5. Step 5: Solve for x
    x = 2,865,480,845.55/61,861.68
  6. Step 6: Final answer
    x = 46,320.77

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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.