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Finding the Fourth Proportional to 11,354.74, 17,002.95 and 6,958.88

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Solution

The fourth proportional to 11,354.74, 17,002.95 and 6,958.88 is: 10,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.74 : 17,002.95 = 6,958.88 : x
  2. Step 2: Convert to fraction form
    11,354.74/17,002.95 = 6,958.88/x
  3. Step 3: Cross multiply
    11,354.74x = 17,002.95 × 6,958.88
  4. Step 4: Simplify right side
    11,354.74x = 118,321,488.70
  5. Step 5: Solve for x
    x = 118,321,488.70/11,354.74
  6. Step 6: Final answer
    x = 10,420.45

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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.