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Finding the Fourth Proportional to 64,734.41, 89,332.43 and 36,053.30

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Solution

The fourth proportional to 64,734.41, 89,332.43 and 36,053.30 is: 49,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,734.41 : 89,332.43 = 36,053.30 : x
  2. Step 2: Convert to fraction form
    64,734.41/89,332.43 = 36,053.30/x
  3. Step 3: Cross multiply
    64,734.41x = 89,332.43 × 36,053.30
  4. Step 4: Simplify right side
    64,734.41x = 3,220,728,271.59
  5. Step 5: Solve for x
    x = 3,220,728,271.59/64,734.41
  6. Step 6: Final answer
    x = 49,752.96

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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.