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Finding the Fourth Proportional to 64,766.08, 89,363.64 and 37,903.44

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Solution

The fourth proportional to 64,766.08, 89,363.64 and 37,903.44 is: 52,298.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,766.08 : 89,363.64 = 37,903.44 : x
  2. Step 2: Convert to fraction form
    64,766.08/89,363.64 = 37,903.44/x
  3. Step 3: Cross multiply
    64,766.08x = 89,363.64 × 37,903.44
  4. Step 4: Simplify right side
    64,766.08x = 3,387,189,366.92
  5. Step 5: Solve for x
    x = 3,387,189,366.92/64,766.08
  6. Step 6: Final answer
    x = 52,298.82

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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.