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Finding the Fourth Proportional to 38,813.60, 58,306.80 and 37,344.80

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Solution

The fourth proportional to 38,813.60, 58,306.80 and 37,344.80 is: 56,100.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,813.60 : 58,306.80 = 37,344.80 : x
  2. Step 2: Convert to fraction form
    38,813.60/58,306.80 = 37,344.80/x
  3. Step 3: Cross multiply
    38,813.60x = 58,306.80 × 37,344.80
  4. Step 4: Simplify right side
    38,813.60x = 2,177,455,784.64
  5. Step 5: Solve for x
    x = 2,177,455,784.64/38,813.60
  6. Step 6: Final answer
    x = 56,100.33

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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.