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Finding the Fourth Proportional to 64,746.29, 89,349.87 and 37,893.92

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Solution

The fourth proportional to 64,746.29, 89,349.87 and 37,893.92 is: 52,293.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,746.29 : 89,349.87 = 37,893.92 : x
  2. Step 2: Convert to fraction form
    64,746.29/89,349.87 = 37,893.92/x
  3. Step 3: Cross multiply
    64,746.29x = 89,349.87 × 37,893.92
  4. Step 4: Simplify right side
    64,746.29x = 3,385,816,825.79
  5. Step 5: Solve for x
    x = 3,385,816,825.79/64,746.29
  6. Step 6: Final answer
    x = 52,293.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.