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Finding the Fourth Proportional to 57,261.60, 85,894.56 and 15,711.84

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Solution

The fourth proportional to 57,261.60, 85,894.56 and 15,711.84 is: 23,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,261.60 : 85,894.56 = 15,711.84 : x
  2. Step 2: Convert to fraction form
    57,261.60/85,894.56 = 15,711.84/x
  3. Step 3: Cross multiply
    57,261.60x = 85,894.56 × 15,711.84
  4. Step 4: Simplify right side
    57,261.60x = 1,349,561,583.59
  5. Step 5: Solve for x
    x = 1,349,561,583.59/57,261.60
  6. Step 6: Final answer
    x = 23,568.35

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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.