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Finding the Fourth Proportional to 6,929.70, 9,548.73 and 5,352.90

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Solution

The fourth proportional to 6,929.70, 9,548.73 and 5,352.90 is: 7,375.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929.70 : 9,548.73 = 5,352.90 : x
  2. Step 2: Convert to fraction form
    6,929.70/9,548.73 = 5,352.90/x
  3. Step 3: Cross multiply
    6,929.70x = 9,548.73 × 5,352.90
  4. Step 4: Simplify right side
    6,929.70x = 51,113,396.82
  5. Step 5: Solve for x
    x = 51,113,396.82/6,929.70
  6. Step 6: Final answer
    x = 7,375.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.