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Finding the Fourth Proportional to 61,225.57, 91,873.83 and 25,683.75

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Solution

The fourth proportional to 61,225.57, 91,873.83 and 25,683.75 is: 38,540.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,225.57 : 91,873.83 = 25,683.75 : x
  2. Step 2: Convert to fraction form
    61,225.57/91,873.83 = 25,683.75/x
  3. Step 3: Cross multiply
    61,225.57x = 91,873.83 × 25,683.75
  4. Step 4: Simplify right side
    61,225.57x = 2,359,664,433.11
  5. Step 5: Solve for x
    x = 2,359,664,433.11/61,225.57
  6. Step 6: Final answer
    x = 38,540.50

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1.5x scale

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.