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Finding the Fourth Proportional to 29,642.79, 44,460.91 and 7,456.18

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Solution

The fourth proportional to 29,642.79, 44,460.91 and 7,456.18 is: 11,183.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,642.79 : 44,460.91 = 7,456.18 : x
  2. Step 2: Convert to fraction form
    29,642.79/44,460.91 = 7,456.18/x
  3. Step 3: Cross multiply
    29,642.79x = 44,460.91 × 7,456.18
  4. Step 4: Simplify right side
    29,642.79x = 331,508,325.62
  5. Step 5: Solve for x
    x = 331,508,325.62/29,642.79
  6. Step 6: Final answer
    x = 11,183.44

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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.