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Finding the Fourth Proportional to 57,297.70, 85,958.70 and 17,313.40

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Solution

The fourth proportional to 57,297.70, 85,958.70 and 17,313.40 is: 25,973.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,297.70 : 85,958.70 = 17,313.40 : x
  2. Step 2: Convert to fraction form
    57,297.70/85,958.70 = 17,313.40/x
  3. Step 3: Cross multiply
    57,297.70x = 85,958.70 × 17,313.40
  4. Step 4: Simplify right side
    57,297.70x = 1,488,237,356.58
  5. Step 5: Solve for x
    x = 1,488,237,356.58/57,297.70
  6. Step 6: Final answer
    x = 25,973.77

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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.