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Finding the Fourth Proportional to 62,808.40, 94,212.60 and 36,542.80

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Solution

The fourth proportional to 62,808.40, 94,212.60 and 36,542.80 is: 54,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,808.40 : 94,212.60 = 36,542.80 : x
  2. Step 2: Convert to fraction form
    62,808.40/94,212.60 = 36,542.80/x
  3. Step 3: Cross multiply
    62,808.40x = 94,212.60 × 36,542.80
  4. Step 4: Simplify right side
    62,808.40x = 3,442,792,199.28
  5. Step 5: Solve for x
    x = 3,442,792,199.28/62,808.40
  6. Step 6: Final answer
    x = 54,814.20

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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.