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Finding the Fourth Proportional to 33,327.12, 49,990.70 and 8,703.12

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Solution

The fourth proportional to 33,327.12, 49,990.70 and 8,703.12 is: 13,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,327.12 : 49,990.70 = 8,703.12 : x
  2. Step 2: Convert to fraction form
    33,327.12/49,990.70 = 8,703.12/x
  3. Step 3: Cross multiply
    33,327.12x = 49,990.70 × 8,703.12
  4. Step 4: Simplify right side
    33,327.12x = 435,075,060.98
  5. Step 5: Solve for x
    x = 435,075,060.98/33,327.12
  6. Step 6: Final answer
    x = 13,054.69

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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.