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Finding the Fourth Proportional to 61,954.59, 85,501.55 and 35,097.31

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Solution

The fourth proportional to 61,954.59, 85,501.55 and 35,097.31 is: 48,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,954.59 : 85,501.55 = 35,097.31 : x
  2. Step 2: Convert to fraction form
    61,954.59/85,501.55 = 35,097.31/x
  3. Step 3: Cross multiply
    61,954.59x = 85,501.55 × 35,097.31
  4. Step 4: Simplify right side
    61,954.59x = 3,000,874,405.83
  5. Step 5: Solve for x
    x = 3,000,874,405.83/61,954.59
  6. Step 6: Final answer
    x = 48,436.68

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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.