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Finding the Fourth Proportional to 6,999.92, 10,468.90 and 6,225.36

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Solution

The fourth proportional to 6,999.92, 10,468.90 and 6,225.36 is: 9,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.92 : 10,468.90 = 6,225.36 : x
  2. Step 2: Convert to fraction form
    6,999.92/10,468.90 = 6,225.36/x
  3. Step 3: Cross multiply
    6,999.92x = 10,468.90 × 6,225.36
  4. Step 4: Simplify right side
    6,999.92x = 65,172,604.81
  5. Step 5: Solve for x
    x = 65,172,604.81/6,999.92
  6. Step 6: Final answer
    x = 9,310.48

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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.