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Finding the Fourth Proportional to 6,019.79, 8,307.79 and 3,367.07

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Solution

The fourth proportional to 6,019.79, 8,307.79 and 3,367.07 is: 4,646.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,019.79 : 8,307.79 = 3,367.07 : x
  2. Step 2: Convert to fraction form
    6,019.79/8,307.79 = 3,367.07/x
  3. Step 3: Cross multiply
    6,019.79x = 8,307.79 × 3,367.07
  4. Step 4: Simplify right side
    6,019.79x = 27,972,901.14
  5. Step 5: Solve for x
    x = 27,972,901.14/6,019.79
  6. Step 6: Final answer
    x = 4,646.82

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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.