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Finding the Fourth Proportional to 57,313.62, 85,959.03 and 28,842.98

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Solution

The fourth proportional to 57,313.62, 85,959.03 and 28,842.98 is: 43,258.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,313.62 : 85,959.03 = 28,842.98 : x
  2. Step 2: Convert to fraction form
    57,313.62/85,959.03 = 28,842.98/x
  3. Step 3: Cross multiply
    57,313.62x = 85,959.03 × 28,842.98
  4. Step 4: Simplify right side
    57,313.62x = 2,479,314,153.31
  5. Step 5: Solve for x
    x = 2,479,314,153.31/57,313.62
  6. Step 6: Final answer
    x = 43,258.73

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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.