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Finding the Fourth Proportional to 64,271.52, 96,397.79 and 37,629.81

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Solution

The fourth proportional to 64,271.52, 96,397.79 and 37,629.81 is: 56,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,271.52 : 96,397.79 = 37,629.81 : x
  2. Step 2: Convert to fraction form
    64,271.52/96,397.79 = 37,629.81/x
  3. Step 3: Cross multiply
    64,271.52x = 96,397.79 × 37,629.81
  4. Step 4: Simplify right side
    64,271.52x = 3,627,430,333.97
  5. Step 5: Solve for x
    x = 3,627,430,333.97/64,271.52
  6. Step 6: Final answer
    x = 56,439.16

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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.