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Finding the Fourth Proportional to 53,094.56, 79,696.16 and 43,831.04

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Solution

The fourth proportional to 53,094.56, 79,696.16 and 43,831.04 is: 65,791.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,094.56 : 79,696.16 = 43,831.04 : x
  2. Step 2: Convert to fraction form
    53,094.56/79,696.16 = 43,831.04/x
  3. Step 3: Cross multiply
    53,094.56x = 79,696.16 × 43,831.04
  4. Step 4: Simplify right side
    53,094.56x = 3,493,165,576.81
  5. Step 5: Solve for x
    x = 3,493,165,576.81/53,094.56
  6. Step 6: Final answer
    x = 65,791.40

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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.