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Finding the Fourth Proportional to 57,994.76, 86,859.96 and 34,572.80

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Solution

The fourth proportional to 57,994.76, 86,859.96 and 34,572.80 is: 51,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,994.76 : 86,859.96 = 34,572.80 : x
  2. Step 2: Convert to fraction form
    57,994.76/86,859.96 = 34,572.80/x
  3. Step 3: Cross multiply
    57,994.76x = 86,859.96 × 34,572.80
  4. Step 4: Simplify right side
    57,994.76x = 3,002,992,025.09
  5. Step 5: Solve for x
    x = 3,002,992,025.09/57,994.76
  6. Step 6: Final answer
    x = 51,780.40

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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.