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Finding the Fourth Proportional to 20,002.01, 29,994.71 and 7,515.59

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Solution

The fourth proportional to 20,002.01, 29,994.71 and 7,515.59 is: 11,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.01 : 29,994.71 = 7,515.59 : x
  2. Step 2: Convert to fraction form
    20,002.01/29,994.71 = 7,515.59/x
  3. Step 3: Cross multiply
    20,002.01x = 29,994.71 × 7,515.59
  4. Step 4: Simplify right side
    20,002.01x = 225,427,754.98
  5. Step 5: Solve for x
    x = 225,427,754.98/20,002.01
  6. Step 6: Final answer
    x = 11,270.26

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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.