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Finding the Fourth Proportional to 7,796.88, 10,764.18 and 5,292.36

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Solution

The fourth proportional to 7,796.88, 10,764.18 and 5,292.36 is: 7,306.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,796.88 : 10,764.18 = 5,292.36 : x
  2. Step 2: Convert to fraction form
    7,796.88/10,764.18 = 5,292.36/x
  3. Step 3: Cross multiply
    7,796.88x = 10,764.18 × 5,292.36
  4. Step 4: Simplify right side
    7,796.88x = 56,967,915.66
  5. Step 5: Solve for x
    x = 56,967,915.66/7,796.88
  6. Step 6: Final answer
    x = 7,306.50

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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.