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Finding the Fourth Proportional to 19,610.20, 29,415.30 and 15,002.20

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Solution

The fourth proportional to 19,610.20, 29,415.30 and 15,002.20 is: 22,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.20 : 29,415.30 = 15,002.20 : x
  2. Step 2: Convert to fraction form
    19,610.20/29,415.30 = 15,002.20/x
  3. Step 3: Cross multiply
    19,610.20x = 29,415.30 × 15,002.20
  4. Step 4: Simplify right side
    19,610.20x = 441,294,213.66
  5. Step 5: Solve for x
    x = 441,294,213.66/19,610.20
  6. Step 6: Final answer
    x = 22,503.30

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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.