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Finding the Fourth Proportional to 29,216.72, 43,831.94 and 9,495.28

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Solution

The fourth proportional to 29,216.72, 43,831.94 and 9,495.28 is: 14,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,216.72 : 43,831.94 = 9,495.28 : x
  2. Step 2: Convert to fraction form
    29,216.72/43,831.94 = 9,495.28/x
  3. Step 3: Cross multiply
    29,216.72x = 43,831.94 × 9,495.28
  4. Step 4: Simplify right side
    29,216.72x = 416,196,543.24
  5. Step 5: Solve for x
    x = 416,196,543.24/29,216.72
  6. Step 6: Final answer
    x = 14,245.15

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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.