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Finding the Fourth Proportional to 57,601.76, 86,334.74 and 25,974.78

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Solution

The fourth proportional to 57,601.76, 86,334.74 and 25,974.78 is: 38,931.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,601.76 : 86,334.74 = 25,974.78 : x
  2. Step 2: Convert to fraction form
    57,601.76/86,334.74 = 25,974.78/x
  3. Step 3: Cross multiply
    57,601.76x = 86,334.74 × 25,974.78
  4. Step 4: Simplify right side
    57,601.76x = 2,242,525,877.86
  5. Step 5: Solve for x
    x = 2,242,525,877.86/57,601.76
  6. Step 6: Final answer
    x = 38,931.55

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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.