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Finding the Fourth Proportional to 48,937.60, 73,430.70 and 27,893.80

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Solution

The fourth proportional to 48,937.60, 73,430.70 and 27,893.80 is: 41,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,937.60 : 73,430.70 = 27,893.80 : x
  2. Step 2: Convert to fraction form
    48,937.60/73,430.70 = 27,893.80/x
  3. Step 3: Cross multiply
    48,937.60x = 73,430.70 × 27,893.80
  4. Step 4: Simplify right side
    48,937.60x = 2,048,261,259.66
  5. Step 5: Solve for x
    x = 2,048,261,259.66/48,937.60
  6. Step 6: Final answer
    x = 41,854.55

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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.