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Finding the Fourth Proportional to 61,787.99, 85,267.53 and 33,493.74

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Solution

The fourth proportional to 61,787.99, 85,267.53 and 33,493.74 is: 46,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,787.99 : 85,267.53 = 33,493.74 : x
  2. Step 2: Convert to fraction form
    61,787.99/85,267.53 = 33,493.74/x
  3. Step 3: Cross multiply
    61,787.99x = 85,267.53 × 33,493.74
  4. Step 4: Simplify right side
    61,787.99x = 2,855,928,480.26
  5. Step 5: Solve for x
    x = 2,855,928,480.26/61,787.99
  6. Step 6: Final answer
    x = 46,221.42

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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.