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Finding the Fourth Proportional to 64,657.82, 96,860.66 and 36,492.68

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Solution

The fourth proportional to 64,657.82, 96,860.66 and 36,492.68 is: 54,667.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,657.82 : 96,860.66 = 36,492.68 : x
  2. Step 2: Convert to fraction form
    64,657.82/96,860.66 = 36,492.68/x
  3. Step 3: Cross multiply
    64,657.82x = 96,860.66 × 36,492.68
  4. Step 4: Simplify right side
    64,657.82x = 3,534,705,129.66
  5. Step 5: Solve for x
    x = 3,534,705,129.66/64,657.82
  6. Step 6: Final answer
    x = 54,667.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.