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Finding the Fourth Proportional to 6,245.39, 9,368.08 and 1,865.92

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Solution

The fourth proportional to 6,245.39, 9,368.08 and 1,865.92 is: 2,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,245.39 : 9,368.08 = 1,865.92 : x
  2. Step 2: Convert to fraction form
    6,245.39/9,368.08 = 1,865.92/x
  3. Step 3: Cross multiply
    6,245.39x = 9,368.08 × 1,865.92
  4. Step 4: Simplify right side
    6,245.39x = 17,480,059.75
  5. Step 5: Solve for x
    x = 17,480,059.75/6,245.39
  6. Step 6: Final answer
    x = 2,798.88

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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.