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Finding the Fourth Proportional to 7,473.72, 11,210.20 and 2,208.48

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Solution

The fourth proportional to 7,473.72, 11,210.20 and 2,208.48 is: 3,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.72 : 11,210.20 = 2,208.48 : x
  2. Step 2: Convert to fraction form
    7,473.72/11,210.20 = 2,208.48/x
  3. Step 3: Cross multiply
    7,473.72x = 11,210.20 × 2,208.48
  4. Step 4: Simplify right side
    7,473.72x = 24,757,502.50
  5. Step 5: Solve for x
    x = 24,757,502.50/7,473.72
  6. Step 6: Final answer
    x = 3,312.61

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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.