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Finding the Fourth Proportional to 7,923.02, 11,888.17 and 2,994.37

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Solution

The fourth proportional to 7,923.02, 11,888.17 and 2,994.37 is: 4,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.02 : 11,888.17 = 2,994.37 : x
  2. Step 2: Convert to fraction form
    7,923.02/11,888.17 = 2,994.37/x
  3. Step 3: Cross multiply
    7,923.02x = 11,888.17 × 2,994.37
  4. Step 4: Simplify right side
    7,923.02x = 35,597,542.40
  5. Step 5: Solve for x
    x = 35,597,542.40/7,923.02
  6. Step 6: Final answer
    x = 4,492.93

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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.