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Finding the Fourth Proportional to 68,454.39, 94,460.90 and 38,237.07

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Solution

The fourth proportional to 68,454.39, 94,460.90 and 38,237.07 is: 52,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,454.39 : 94,460.90 = 38,237.07 : x
  2. Step 2: Convert to fraction form
    68,454.39/94,460.90 = 38,237.07/x
  3. Step 3: Cross multiply
    68,454.39x = 94,460.90 × 38,237.07
  4. Step 4: Simplify right side
    68,454.39x = 3,611,907,854.38
  5. Step 5: Solve for x
    x = 3,611,907,854.38/68,454.39
  6. Step 6: Final answer
    x = 52,763.71

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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.