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Finding the Fourth Proportional to 54,995.76, 82,493.51 and 13,442.76

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Solution

The fourth proportional to 54,995.76, 82,493.51 and 13,442.76 is: 20,164.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,995.76 : 82,493.51 = 13,442.76 : x
  2. Step 2: Convert to fraction form
    54,995.76/82,493.51 = 13,442.76/x
  3. Step 3: Cross multiply
    54,995.76x = 82,493.51 × 13,442.76
  4. Step 4: Simplify right side
    54,995.76x = 1,108,940,389.27
  5. Step 5: Solve for x
    x = 1,108,940,389.27/54,995.76
  6. Step 6: Final answer
    x = 20,164.11

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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.