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Finding the Fourth Proportional to 68,557.70, 94,609.84 and 38,343.53

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Solution

The fourth proportional to 68,557.70, 94,609.84 and 38,343.53 is: 52,914.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,557.70 : 94,609.84 = 38,343.53 : x
  2. Step 2: Convert to fraction form
    68,557.70/94,609.84 = 38,343.53/x
  3. Step 3: Cross multiply
    68,557.70x = 94,609.84 × 38,343.53
  4. Step 4: Simplify right side
    68,557.70x = 3,627,675,238.34
  5. Step 5: Solve for x
    x = 3,627,675,238.34/68,557.70
  6. Step 6: Final answer
    x = 52,914.19

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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.