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Finding the Fourth Proportional to 64,557.68, 89,089.65 and 36,263.39

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Solution

The fourth proportional to 64,557.68, 89,089.65 and 36,263.39 is: 50,043.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,557.68 : 89,089.65 = 36,263.39 : x
  2. Step 2: Convert to fraction form
    64,557.68/89,089.65 = 36,263.39/x
  3. Step 3: Cross multiply
    64,557.68x = 89,089.65 × 36,263.39
  4. Step 4: Simplify right side
    64,557.68x = 3,230,692,722.91
  5. Step 5: Solve for x
    x = 3,230,692,722.91/64,557.68
  6. Step 6: Final answer
    x = 50,043.51

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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.