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Finding the Fourth Proportional to 64,456.76, 88,950.62 and 36,160.62

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Solution

The fourth proportional to 64,456.76, 88,950.62 and 36,160.62 is: 49,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,456.76 : 88,950.62 = 36,160.62 : x
  2. Step 2: Convert to fraction form
    64,456.76/88,950.62 = 36,160.62/x
  3. Step 3: Cross multiply
    64,456.76x = 88,950.62 × 36,160.62
  4. Step 4: Simplify right side
    64,456.76x = 3,216,509,568.58
  5. Step 5: Solve for x
    x = 3,216,509,568.58/64,456.76
  6. Step 6: Final answer
    x = 49,901.82

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1.5x scale

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.