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Finding the Fourth Proportional to 61,192.60, 84,431.40 and 35,683.68

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Solution

The fourth proportional to 61,192.60, 84,431.40 and 35,683.68 is: 49,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,192.60 : 84,431.40 = 35,683.68 : x
  2. Step 2: Convert to fraction form
    61,192.60/84,431.40 = 35,683.68/x
  3. Step 3: Cross multiply
    61,192.60x = 84,431.40 × 35,683.68
  4. Step 4: Simplify right side
    61,192.60x = 3,012,823,059.55
  5. Step 5: Solve for x
    x = 3,012,823,059.55/61,192.60
  6. Step 6: Final answer
    x = 49,235.09

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1.5x scale

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.