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Finding the Fourth Proportional to 29,225.48, 43,839.72 and 8,165.48

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Solution

The fourth proportional to 29,225.48, 43,839.72 and 8,165.48 is: 12,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,225.48 : 43,839.72 = 8,165.48 : x
  2. Step 2: Convert to fraction form
    29,225.48/43,839.72 = 8,165.48/x
  3. Step 3: Cross multiply
    29,225.48x = 43,839.72 × 8,165.48
  4. Step 4: Simplify right side
    29,225.48x = 357,972,356.87
  5. Step 5: Solve for x
    x = 357,972,356.87/29,225.48
  6. Step 6: Final answer
    x = 12,248.64

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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.