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Finding the Fourth Proportional to 89,994.40, 134,991.52 and 27,664.80

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Solution

The fourth proportional to 89,994.40, 134,991.52 and 27,664.80 is: 41,497.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,994.40 : 134,991.52 = 27,664.80 : x
  2. Step 2: Convert to fraction form
    89,994.40/134,991.52 = 27,664.80/x
  3. Step 3: Cross multiply
    89,994.40x = 134,991.52 × 27,664.80
  4. Step 4: Simplify right side
    89,994.40x = 3,734,513,402.50
  5. Step 5: Solve for x
    x = 3,734,513,402.50/89,994.40
  6. Step 6: Final answer
    x = 41,497.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.