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Finding the Fourth Proportional to 29,108.48, 43,662.84 and 12,454.48

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Solution

The fourth proportional to 29,108.48, 43,662.84 and 12,454.48 is: 18,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,108.48 : 43,662.84 = 12,454.48 : x
  2. Step 2: Convert to fraction form
    29,108.48/43,662.84 = 12,454.48/x
  3. Step 3: Cross multiply
    29,108.48x = 43,662.84 × 12,454.48
  4. Step 4: Simplify right side
    29,108.48x = 543,797,967.52
  5. Step 5: Solve for x
    x = 543,797,967.52/29,108.48
  6. Step 6: Final answer
    x = 18,681.77

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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.