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Finding the Fourth Proportional to 7,794.90, 10,760.04 and 4,811.94

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Solution

The fourth proportional to 7,794.90, 10,760.04 and 4,811.94 is: 6,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,794.90 : 10,760.04 = 4,811.94 : x
  2. Step 2: Convert to fraction form
    7,794.90/10,760.04 = 4,811.94/x
  3. Step 3: Cross multiply
    7,794.90x = 10,760.04 × 4,811.94
  4. Step 4: Simplify right side
    7,794.90x = 51,776,666.88
  5. Step 5: Solve for x
    x = 51,776,666.88/7,794.90
  6. Step 6: Final answer
    x = 6,642.38

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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.