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Finding the Fourth Proportional to 29,050.79, 43,561.79 and 10,328.02

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Solution

The fourth proportional to 29,050.79, 43,561.79 and 10,328.02 is: 15,486.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,050.79 : 43,561.79 = 10,328.02 : x
  2. Step 2: Convert to fraction form
    29,050.79/43,561.79 = 10,328.02/x
  3. Step 3: Cross multiply
    29,050.79x = 43,561.79 × 10,328.02
  4. Step 4: Simplify right side
    29,050.79x = 449,906,955.27
  5. Step 5: Solve for x
    x = 449,906,955.27/29,050.79
  6. Step 6: Final answer
    x = 15,486.91

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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.