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Finding the Fourth Proportional to 68,762.84, 94,887.89 and 38,135.42

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Solution

The fourth proportional to 68,762.84, 94,887.89 and 38,135.42 is: 52,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,762.84 : 94,887.89 = 38,135.42 : x
  2. Step 2: Convert to fraction form
    68,762.84/94,887.89 = 38,135.42/x
  3. Step 3: Cross multiply
    68,762.84x = 94,887.89 × 38,135.42
  4. Step 4: Simplify right side
    68,762.84x = 3,618,589,371.78
  5. Step 5: Solve for x
    x = 3,618,589,371.78/68,762.84
  6. Step 6: Final answer
    x = 52,624.20

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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.