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Finding the Fourth Proportional to 68,452.76, 94,462.61 and 39,774.81

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Solution

The fourth proportional to 68,452.76, 94,462.61 and 39,774.81 is: 54,887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,452.76 : 94,462.61 = 39,774.81 : x
  2. Step 2: Convert to fraction form
    68,452.76/94,462.61 = 39,774.81/x
  3. Step 3: Cross multiply
    68,452.76x = 94,462.61 × 39,774.81
  4. Step 4: Simplify right side
    68,452.76x = 3,757,232,464.29
  5. Step 5: Solve for x
    x = 3,757,232,464.29/68,452.76
  6. Step 6: Final answer
    x = 54,887.97

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Double scale
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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.