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Finding the Fourth Proportional to 4,794, 6,615.70 and 2,698.12

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Solution

The fourth proportional to 4,794, 6,615.70 and 2,698.12 is: 3,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,794 : 6,615.70 = 2,698.12 : x
  2. Step 2: Convert to fraction form
    4,794/6,615.70 = 2,698.12/x
  3. Step 3: Cross multiply
    4,794x = 6,615.70 × 2,698.12
  4. Step 4: Simplify right side
    4,794x = 17,849,952.48
  5. Step 5: Solve for x
    x = 17,849,952.48/4,794
  6. Step 6: Final answer
    x = 3,723.39

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Double scale
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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.