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Finding the Fourth Proportional to 29,114.99, 43,661.74 and 10,390.02

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Solution

The fourth proportional to 29,114.99, 43,661.74 and 10,390.02 is: 15,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,114.99 : 43,661.74 = 10,390.02 : x
  2. Step 2: Convert to fraction form
    29,114.99/43,661.74 = 10,390.02/x
  3. Step 3: Cross multiply
    29,114.99x = 43,661.74 × 10,390.02
  4. Step 4: Simplify right side
    29,114.99x = 453,646,255.67
  5. Step 5: Solve for x
    x = 453,646,255.67/29,114.99
  6. Step 6: Final answer
    x = 15,581.19

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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.