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Finding the Fourth Proportional to 6,605.99, 9,909.14 and 2,223.45

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Solution

The fourth proportional to 6,605.99, 9,909.14 and 2,223.45 is: 3,335.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,605.99 : 9,909.14 = 2,223.45 : x
  2. Step 2: Convert to fraction form
    6,605.99/9,909.14 = 2,223.45/x
  3. Step 3: Cross multiply
    6,605.99x = 9,909.14 × 2,223.45
  4. Step 4: Simplify right side
    6,605.99x = 22,032,477.33
  5. Step 5: Solve for x
    x = 22,032,477.33/6,605.99
  6. Step 6: Final answer
    x = 3,335.23

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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.