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Finding the Fourth Proportional to 61,436.64, 92,147.70 and 36,151.32

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Solution

The fourth proportional to 61,436.64, 92,147.70 and 36,151.32 is: 54,222.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,436.64 : 92,147.70 = 36,151.32 : x
  2. Step 2: Convert to fraction form
    61,436.64/92,147.70 = 36,151.32/x
  3. Step 3: Cross multiply
    61,436.64x = 92,147.70 × 36,151.32
  4. Step 4: Simplify right side
    61,436.64x = 3,331,260,989.96
  5. Step 5: Solve for x
    x = 3,331,260,989.96/61,436.64
  6. Step 6: Final answer
    x = 54,222.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.