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Finding the Fourth Proportional to 7,199.83, 10,802.90 and 2,523.21

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Solution

The fourth proportional to 7,199.83, 10,802.90 and 2,523.21 is: 3,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.83 : 10,802.90 = 2,523.21 : x
  2. Step 2: Convert to fraction form
    7,199.83/10,802.90 = 2,523.21/x
  3. Step 3: Cross multiply
    7,199.83x = 10,802.90 × 2,523.21
  4. Step 4: Simplify right side
    7,199.83x = 27,257,985.31
  5. Step 5: Solve for x
    x = 27,257,985.31/7,199.83
  6. Step 6: Final answer
    x = 3,785.92

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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.