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Finding the Fourth Proportional to 49,994.90, 68,994.80 and 27,335.40

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Solution

The fourth proportional to 49,994.90, 68,994.80 and 27,335.40 is: 37,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,994.90 : 68,994.80 = 27,335.40 : x
  2. Step 2: Convert to fraction form
    49,994.90/68,994.80 = 27,335.40/x
  3. Step 3: Cross multiply
    49,994.90x = 68,994.80 × 27,335.40
  4. Step 4: Simplify right side
    49,994.90x = 1,886,000,455.92
  5. Step 5: Solve for x
    x = 1,886,000,455.92/49,994.90
  6. Step 6: Final answer
    x = 37,723.86

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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.