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Finding the Fourth Proportional to 6,655.76, 9,184.41 and 3,822.23

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Solution

The fourth proportional to 6,655.76, 9,184.41 and 3,822.23 is: 5,274.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.76 : 9,184.41 = 3,822.23 : x
  2. Step 2: Convert to fraction form
    6,655.76/9,184.41 = 3,822.23/x
  3. Step 3: Cross multiply
    6,655.76x = 9,184.41 × 3,822.23
  4. Step 4: Simplify right side
    6,655.76x = 35,104,927.43
  5. Step 5: Solve for x
    x = 35,104,927.43/6,655.76
  6. Step 6: Final answer
    x = 5,274.37

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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.