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Finding the Fourth Proportional to 6,078.61, 9,102.14 and 5,206.71

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Solution

The fourth proportional to 6,078.61, 9,102.14 and 5,206.71 is: 7,796.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.61 : 9,102.14 = 5,206.71 : x
  2. Step 2: Convert to fraction form
    6,078.61/9,102.14 = 5,206.71/x
  3. Step 3: Cross multiply
    6,078.61x = 9,102.14 × 5,206.71
  4. Step 4: Simplify right side
    6,078.61x = 47,392,203.36
  5. Step 5: Solve for x
    x = 47,392,203.36/6,078.61
  6. Step 6: Final answer
    x = 7,796.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.