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Finding the Fourth Proportional to 7,797.88, 10,768.26 and 5,008.24

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Solution

The fourth proportional to 7,797.88, 10,768.26 and 5,008.24 is: 6,915.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,797.88 : 10,768.26 = 5,008.24 : x
  2. Step 2: Convert to fraction form
    7,797.88/10,768.26 = 5,008.24/x
  3. Step 3: Cross multiply
    7,797.88x = 10,768.26 × 5,008.24
  4. Step 4: Simplify right side
    7,797.88x = 53,930,030.46
  5. Step 5: Solve for x
    x = 53,930,030.46/7,797.88
  6. Step 6: Final answer
    x = 6,915.99

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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.