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Finding the Fourth Proportional to 62,188.81, 85,834.40 and 39,523.39

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Solution

The fourth proportional to 62,188.81, 85,834.40 and 39,523.39 is: 54,551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,188.81 : 85,834.40 = 39,523.39 : x
  2. Step 2: Convert to fraction form
    62,188.81/85,834.40 = 39,523.39/x
  3. Step 3: Cross multiply
    62,188.81x = 85,834.40 × 39,523.39
  4. Step 4: Simplify right side
    62,188.81x = 3,392,466,054.41
  5. Step 5: Solve for x
    x = 3,392,466,054.41/62,188.81
  6. Step 6: Final answer
    x = 54,551.07

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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.