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Finding the Fourth Proportional to 6,239,959.80, 9,359,939.70 and 2,201,008.20

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Solution

The fourth proportional to 6,239,959.80, 9,359,939.70 and 2,201,008.20 is: 3,301,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239,959.80 : 9,359,939.70 = 2,201,008.20 : x
  2. Step 2: Convert to fraction form
    6,239,959.80/9,359,939.70 = 2,201,008.20/x
  3. Step 3: Cross multiply
    6,239,959.80x = 9,359,939.70 × 2,201,008.20
  4. Step 4: Simplify right side
    6,239,959.80x = 20,601,304,031,205.54
  5. Step 5: Solve for x
    x = 20,601,304,031,205.54/6,239,959.80
  6. Step 6: Final answer
    x = 3,301,512.30

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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.