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Finding the Fourth Proportional to 61,974.68, 85,525.98 and 33,680.39

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Solution

The fourth proportional to 61,974.68, 85,525.98 and 33,680.39 is: 46,479.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,974.68 : 85,525.98 = 33,680.39 : x
  2. Step 2: Convert to fraction form
    61,974.68/85,525.98 = 33,680.39/x
  3. Step 3: Cross multiply
    61,974.68x = 85,525.98 × 33,680.39
  4. Step 4: Simplify right side
    61,974.68x = 2,880,548,361.53
  5. Step 5: Solve for x
    x = 2,880,548,361.53/61,974.68
  6. Step 6: Final answer
    x = 46,479.44

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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.