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Finding the Fourth Proportional to 61,870, 92,823.36 and 35,593.60

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Solution

The fourth proportional to 61,870, 92,823.36 and 35,593.60 is: 53,400.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,870 : 92,823.36 = 35,593.60 : x
  2. Step 2: Convert to fraction form
    61,870/92,823.36 = 35,593.60/x
  3. Step 3: Cross multiply
    61,870x = 92,823.36 × 35,593.60
  4. Step 4: Simplify right side
    61,870x = 3,303,917,546.50
  5. Step 5: Solve for x
    x = 3,303,917,546.50/61,870
  6. Step 6: Final answer
    x = 53,400.96

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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.