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Finding the Fourth Proportional to 22,145.79, 33,209.06 and 6,347.34

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Solution

The fourth proportional to 22,145.79, 33,209.06 and 6,347.34 is: 9,518.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145.79 : 33,209.06 = 6,347.34 : x
  2. Step 2: Convert to fraction form
    22,145.79/33,209.06 = 6,347.34/x
  3. Step 3: Cross multiply
    22,145.79x = 33,209.06 × 6,347.34
  4. Step 4: Simplify right side
    22,145.79x = 210,789,194.90
  5. Step 5: Solve for x
    x = 210,789,194.90/22,145.79
  6. Step 6: Final answer
    x = 9,518.25

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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.