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Finding the Fourth Proportional to 76,679.16, 115,018.74 and 24,093.24

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Solution

The fourth proportional to 76,679.16, 115,018.74 and 24,093.24 is: 36,139.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,679.16 : 115,018.74 = 24,093.24 : x
  2. Step 2: Convert to fraction form
    76,679.16/115,018.74 = 24,093.24/x
  3. Step 3: Cross multiply
    76,679.16x = 115,018.74 × 24,093.24
  4. Step 4: Simplify right side
    76,679.16x = 2,771,174,107.32
  5. Step 5: Solve for x
    x = 2,771,174,107.32/76,679.16
  6. Step 6: Final answer
    x = 36,139.86

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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.