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Finding the Fourth Proportional to 61,954.68, 85,499.24 and 35,097.20

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Solution

The fourth proportional to 61,954.68, 85,499.24 and 35,097.20 is: 48,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,954.68 : 85,499.24 = 35,097.20 : x
  2. Step 2: Convert to fraction form
    61,954.68/85,499.24 = 35,097.20/x
  3. Step 3: Cross multiply
    61,954.68x = 85,499.24 × 35,097.20
  4. Step 4: Simplify right side
    61,954.68x = 3,000,783,926.13
  5. Step 5: Solve for x
    x = 3,000,783,926.13/61,954.68
  6. Step 6: Final answer
    x = 48,435.15

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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.