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Finding the Fourth Proportional to 7,003.80, 10,495.84 and 3,885.24

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Solution

The fourth proportional to 7,003.80, 10,495.84 and 3,885.24 is: 5,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,003.80 : 10,495.84 = 3,885.24 : x
  2. Step 2: Convert to fraction form
    7,003.80/10,495.84 = 3,885.24/x
  3. Step 3: Cross multiply
    7,003.80x = 10,495.84 × 3,885.24
  4. Step 4: Simplify right side
    7,003.80x = 40,778,857.40
  5. Step 5: Solve for x
    x = 40,778,857.40/7,003.80
  6. Step 6: Final answer
    x = 5,822.39

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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.