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Finding the Fourth Proportional to 7,381.94, 11,073.71 and 2,999.03

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Solution

The fourth proportional to 7,381.94, 11,073.71 and 2,999.03 is: 4,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.94 : 11,073.71 = 2,999.03 : x
  2. Step 2: Convert to fraction form
    7,381.94/11,073.71 = 2,999.03/x
  3. Step 3: Cross multiply
    7,381.94x = 11,073.71 × 2,999.03
  4. Step 4: Simplify right side
    7,381.94x = 33,210,340.63
  5. Step 5: Solve for x
    x = 33,210,340.63/7,381.94
  6. Step 6: Final answer
    x = 4,498.87

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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.