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Finding the Fourth Proportional to 61,857.84, 85,361.53 and 33,562.92

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Solution

The fourth proportional to 61,857.84, 85,361.53 and 33,562.92 is: 46,315.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,857.84 : 85,361.53 = 33,562.92 : x
  2. Step 2: Convert to fraction form
    61,857.84/85,361.53 = 33,562.92/x
  3. Step 3: Cross multiply
    61,857.84x = 85,361.53 × 33,562.92
  4. Step 4: Simplify right side
    61,857.84x = 2,864,982,202.47
  5. Step 5: Solve for x
    x = 2,864,982,202.47/61,857.84
  6. Step 6: Final answer
    x = 46,315.59

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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.