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Finding the Fourth Proportional to 6,673.76, 9,192.72 and 5,552.48

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Solution

The fourth proportional to 6,673.76, 9,192.72 and 5,552.48 is: 7,648.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,673.76 : 9,192.72 = 5,552.48 : x
  2. Step 2: Convert to fraction form
    6,673.76/9,192.72 = 5,552.48/x
  3. Step 3: Cross multiply
    6,673.76x = 9,192.72 × 5,552.48
  4. Step 4: Simplify right side
    6,673.76x = 51,042,393.95
  5. Step 5: Solve for x
    x = 51,042,393.95/6,673.76
  6. Step 6: Final answer
    x = 7,648.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.