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Finding the Fourth Proportional to 7,133.98, 10,699.98 and 2,203.78

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Solution

The fourth proportional to 7,133.98, 10,699.98 and 2,203.78 is: 3,305.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.98 : 10,699.98 = 2,203.78 : x
  2. Step 2: Convert to fraction form
    7,133.98/10,699.98 = 2,203.78/x
  3. Step 3: Cross multiply
    7,133.98x = 10,699.98 × 2,203.78
  4. Step 4: Simplify right side
    7,133.98x = 23,580,401.92
  5. Step 5: Solve for x
    x = 23,580,401.92/7,133.98
  6. Step 6: Final answer
    x = 3,305.36

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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.