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Finding the Fourth Proportional to 33,994.79, 50,987.78 and 9,036.87

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Solution

The fourth proportional to 33,994.79, 50,987.78 and 9,036.87 is: 13,554.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,994.79 : 50,987.78 = 9,036.87 : x
  2. Step 2: Convert to fraction form
    33,994.79/50,987.78 = 9,036.87/x
  3. Step 3: Cross multiply
    33,994.79x = 50,987.78 × 9,036.87
  4. Step 4: Simplify right side
    33,994.79x = 460,769,736.95
  5. Step 5: Solve for x
    x = 460,769,736.95/33,994.79
  6. Step 6: Final answer
    x = 13,554.13

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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.