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Finding the Fourth Proportional to 61,972.68, 85,523.22 and 33,678.39

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Solution

The fourth proportional to 61,972.68, 85,523.22 and 33,678.39 is: 46,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,972.68 : 85,523.22 = 33,678.39 : x
  2. Step 2: Convert to fraction form
    61,972.68/85,523.22 = 33,678.39/x
  3. Step 3: Cross multiply
    61,972.68x = 85,523.22 × 33,678.39
  4. Step 4: Simplify right side
    61,972.68x = 2,880,284,357.22
  5. Step 5: Solve for x
    x = 2,880,284,357.22/61,972.68
  6. Step 6: Final answer
    x = 46,476.68

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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.