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Finding the Fourth Proportional to 6,206.79, 8,567.07 and 3,656.79

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Solution

The fourth proportional to 6,206.79, 8,567.07 and 3,656.79 is: 5,047.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,206.79 : 8,567.07 = 3,656.79 : x
  2. Step 2: Convert to fraction form
    6,206.79/8,567.07 = 3,656.79/x
  3. Step 3: Cross multiply
    6,206.79x = 8,567.07 × 3,656.79
  4. Step 4: Simplify right side
    6,206.79x = 31,327,975.91
  5. Step 5: Solve for x
    x = 31,327,975.91/6,206.79
  6. Step 6: Final answer
    x = 5,047.37

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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.