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Finding the Fourth Proportional to 5,651.79, 7,796.70 and 4,904.70

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Solution

The fourth proportional to 5,651.79, 7,796.70 and 4,904.70 is: 6,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.79 : 7,796.70 = 4,904.70 : x
  2. Step 2: Convert to fraction form
    5,651.79/7,796.70 = 4,904.70/x
  3. Step 3: Cross multiply
    5,651.79x = 7,796.70 × 4,904.70
  4. Step 4: Simplify right side
    5,651.79x = 38,240,474.49
  5. Step 5: Solve for x
    x = 38,240,474.49/5,651.79
  6. Step 6: Final answer
    x = 6,766.08

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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.