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Finding the Fourth Proportional to 6,366.55, 9,547.98 and 2,206.39

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Solution

The fourth proportional to 6,366.55, 9,547.98 and 2,206.39 is: 3,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,366.55 : 9,547.98 = 2,206.39 : x
  2. Step 2: Convert to fraction form
    6,366.55/9,547.98 = 2,206.39/x
  3. Step 3: Cross multiply
    6,366.55x = 9,547.98 × 2,206.39
  4. Step 4: Simplify right side
    6,366.55x = 21,066,567.59
  5. Step 5: Solve for x
    x = 21,066,567.59/6,366.55
  6. Step 6: Final answer
    x = 3,308.95

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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.