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Finding the Fourth Proportional to 29,141.97, 43,711.73 and 8,365.47

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Solution

The fourth proportional to 29,141.97, 43,711.73 and 8,365.47 is: 12,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,141.97 : 43,711.73 = 8,365.47 : x
  2. Step 2: Convert to fraction form
    29,141.97/43,711.73 = 8,365.47/x
  3. Step 3: Cross multiply
    29,141.97x = 43,711.73 × 8,365.47
  4. Step 4: Simplify right side
    29,141.97x = 365,669,165.96
  5. Step 5: Solve for x
    x = 365,669,165.96/29,141.97
  6. Step 6: Final answer
    x = 12,547.85

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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.