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Finding the Fourth Proportional to 68,169.53, 94,049.58 and 39,473.52

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Solution

The fourth proportional to 68,169.53, 94,049.58 and 39,473.52 is: 54,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,169.53 : 94,049.58 = 39,473.52 : x
  2. Step 2: Convert to fraction form
    68,169.53/94,049.58 = 39,473.52/x
  3. Step 3: Cross multiply
    68,169.53x = 94,049.58 × 39,473.52
  4. Step 4: Simplify right side
    68,169.53x = 3,712,467,977.12
  5. Step 5: Solve for x
    x = 3,712,467,977.12/68,169.53
  6. Step 6: Final answer
    x = 54,459.35

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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.