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Finding the Fourth Proportional to 54,958.80, 82,443.42 and 14,978.28

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Solution

The fourth proportional to 54,958.80, 82,443.42 and 14,978.28 is: 22,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,958.80 : 82,443.42 = 14,978.28 : x
  2. Step 2: Convert to fraction form
    54,958.80/82,443.42 = 14,978.28/x
  3. Step 3: Cross multiply
    54,958.80x = 82,443.42 × 14,978.28
  4. Step 4: Simplify right side
    54,958.80x = 1,234,860,628.92
  5. Step 5: Solve for x
    x = 1,234,860,628.92/54,958.80
  6. Step 6: Final answer
    x = 22,468.84

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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.