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Finding the Fourth Proportional to 57,733.70, 86,612.70 and 18,294.80

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Solution

The fourth proportional to 57,733.70, 86,612.70 and 18,294.80 is: 27,446.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,733.70 : 86,612.70 = 18,294.80 : x
  2. Step 2: Convert to fraction form
    57,733.70/86,612.70 = 18,294.80/x
  3. Step 3: Cross multiply
    57,733.70x = 86,612.70 × 18,294.80
  4. Step 4: Simplify right side
    57,733.70x = 1,584,562,023.96
  5. Step 5: Solve for x
    x = 1,584,562,023.96/57,733.70
  6. Step 6: Final answer
    x = 27,446.05

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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.