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Finding the Fourth Proportional to 6,609.79, 9,791.01 and 6,536.08

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Solution

The fourth proportional to 6,609.79, 9,791.01 and 6,536.08 is: 9,681.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.79 : 9,791.01 = 6,536.08 : x
  2. Step 2: Convert to fraction form
    6,609.79/9,791.01 = 6,536.08/x
  3. Step 3: Cross multiply
    6,609.79x = 9,791.01 × 6,536.08
  4. Step 4: Simplify right side
    6,609.79x = 63,994,824.64
  5. Step 5: Solve for x
    x = 63,994,824.64/6,609.79
  6. Step 6: Final answer
    x = 9,681.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.