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Finding the Fourth Proportional to 6,606.70, 9,909.34 and 2,223.59

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Solution

The fourth proportional to 6,606.70, 9,909.34 and 2,223.59 is: 3,335.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.70 : 9,909.34 = 2,223.59 : x
  2. Step 2: Convert to fraction form
    6,606.70/9,909.34 = 2,223.59/x
  3. Step 3: Cross multiply
    6,606.70x = 9,909.34 × 2,223.59
  4. Step 4: Simplify right side
    6,606.70x = 22,034,254.22
  5. Step 5: Solve for x
    x = 22,034,254.22/6,606.70
  6. Step 6: Final answer
    x = 3,335.14

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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.