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Finding the Fourth Proportional to 29,216.54, 43,820.36 and 8,154.36

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Solution

The fourth proportional to 29,216.54, 43,820.36 and 8,154.36 is: 12,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,216.54 : 43,820.36 = 8,154.36 : x
  2. Step 2: Convert to fraction form
    29,216.54/43,820.36 = 8,154.36/x
  3. Step 3: Cross multiply
    29,216.54x = 43,820.36 × 8,154.36
  4. Step 4: Simplify right side
    29,216.54x = 357,326,950.00
  5. Step 5: Solve for x
    x = 357,326,950.00/29,216.54
  6. Step 6: Final answer
    x = 12,230.30

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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.