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Finding the Fourth Proportional to 7,224.30, 10,852.65 and 7,029.90

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Solution

The fourth proportional to 7,224.30, 10,852.65 and 7,029.90 is: 10,560.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224.30 : 10,852.65 = 7,029.90 : x
  2. Step 2: Convert to fraction form
    7,224.30/10,852.65 = 7,029.90/x
  3. Step 3: Cross multiply
    7,224.30x = 10,852.65 × 7,029.90
  4. Step 4: Simplify right side
    7,224.30x = 76,293,044.24
  5. Step 5: Solve for x
    x = 76,293,044.24/7,224.30
  6. Step 6: Final answer
    x = 10,560.61

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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.