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Finding the Fourth Proportional to 6,655.48, 9,966.82 and 4,184.17

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Solution

The fourth proportional to 6,655.48, 9,966.82 and 4,184.17 is: 6,265.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655.48 : 9,966.82 = 4,184.17 : x
  2. Step 2: Convert to fraction form
    6,655.48/9,966.82 = 4,184.17/x
  3. Step 3: Cross multiply
    6,655.48x = 9,966.82 × 4,184.17
  4. Step 4: Simplify right side
    6,655.48x = 41,702,869.24
  5. Step 5: Solve for x
    x = 41,702,869.24/6,655.48
  6. Step 6: Final answer
    x = 6,265.94

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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.