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Finding the Fourth Proportional to 6,607.59, 9,911.52 and 2,659.23

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Solution

The fourth proportional to 6,607.59, 9,911.52 and 2,659.23 is: 3,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.59 : 9,911.52 = 2,659.23 : x
  2. Step 2: Convert to fraction form
    6,607.59/9,911.52 = 2,659.23/x
  3. Step 3: Cross multiply
    6,607.59x = 9,911.52 × 2,659.23
  4. Step 4: Simplify right side
    6,607.59x = 26,357,011.33
  5. Step 5: Solve for x
    x = 26,357,011.33/6,607.59
  6. Step 6: Final answer
    x = 3,988.90

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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.