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Finding the Fourth Proportional to 6,658.22, 9,966.27 and 4,184.48

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Solution

The fourth proportional to 6,658.22, 9,966.27 and 4,184.48 is: 6,263.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658.22 : 9,966.27 = 4,184.48 : x
  2. Step 2: Convert to fraction form
    6,658.22/9,966.27 = 4,184.48/x
  3. Step 3: Cross multiply
    6,658.22x = 9,966.27 × 4,184.48
  4. Step 4: Simplify right side
    6,658.22x = 41,703,657.49
  5. Step 5: Solve for x
    x = 41,703,657.49/6,658.22
  6. Step 6: Final answer
    x = 6,263.48

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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.