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Finding the Fourth Proportional to 64,455.75, 88,948.94 and 36,160.83

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Solution

The fourth proportional to 64,455.75, 88,948.94 and 36,160.83 is: 49,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,455.75 : 88,948.94 = 36,160.83 : x
  2. Step 2: Convert to fraction form
    64,455.75/88,948.94 = 36,160.83/x
  3. Step 3: Cross multiply
    64,455.75x = 88,948.94 × 36,160.83
  4. Step 4: Simplify right side
    64,455.75x = 3,216,467,317.22
  5. Step 5: Solve for x
    x = 3,216,467,317.22/64,455.75
  6. Step 6: Final answer
    x = 49,901.95

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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.