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Finding the Fourth Proportional to 6,978.73, 10,468.10 and 4,383.49

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Solution

The fourth proportional to 6,978.73, 10,468.10 and 4,383.49 is: 6,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,978.73 : 10,468.10 = 4,383.49 : x
  2. Step 2: Convert to fraction form
    6,978.73/10,468.10 = 4,383.49/x
  3. Step 3: Cross multiply
    6,978.73x = 10,468.10 × 4,383.49
  4. Step 4: Simplify right side
    6,978.73x = 45,886,811.67
  5. Step 5: Solve for x
    x = 45,886,811.67/6,978.73
  6. Step 6: Final answer
    x = 6,575.24

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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.