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Finding the Fourth Proportional to 64,408.76, 88,843.18 and 46,530.04

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Solution

The fourth proportional to 64,408.76, 88,843.18 and 46,530.04 is: 64,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,408.76 : 88,843.18 = 46,530.04 : x
  2. Step 2: Convert to fraction form
    64,408.76/88,843.18 = 46,530.04/x
  3. Step 3: Cross multiply
    64,408.76x = 88,843.18 × 46,530.04
  4. Step 4: Simplify right side
    64,408.76x = 4,133,876,719.13
  5. Step 5: Solve for x
    x = 4,133,876,719.13/64,408.76
  6. Step 6: Final answer
    x = 64,181.90

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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.