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Finding the Fourth Proportional to 68,605.60, 94,671.15 and 37,976.62

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Solution

The fourth proportional to 68,605.60, 94,671.15 and 37,976.62 is: 52,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,605.60 : 94,671.15 = 37,976.62 : x
  2. Step 2: Convert to fraction form
    68,605.60/94,671.15 = 37,976.62/x
  3. Step 3: Cross multiply
    68,605.60x = 94,671.15 × 37,976.62
  4. Step 4: Simplify right side
    68,605.60x = 3,595,290,288.51
  5. Step 5: Solve for x
    x = 3,595,290,288.51/68,605.60
  6. Step 6: Final answer
    x = 52,405.20

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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.