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Finding the Fourth Proportional to 64,458.76, 88,953.38 and 36,162.62

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Solution

The fourth proportional to 64,458.76, 88,953.38 and 36,162.62 is: 49,904.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,458.76 : 88,953.38 = 36,162.62 : x
  2. Step 2: Convert to fraction form
    64,458.76/88,953.38 = 36,162.62/x
  3. Step 3: Cross multiply
    64,458.76x = 88,953.38 × 36,162.62
  4. Step 4: Simplify right side
    64,458.76x = 3,216,787,278.66
  5. Step 5: Solve for x
    x = 3,216,787,278.66/64,458.76
  6. Step 6: Final answer
    x = 49,904.58

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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.