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Finding the Fourth Proportional to 25,313.88, 37,974.90 and 9,520.14

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Solution

The fourth proportional to 25,313.88, 37,974.90 and 9,520.14 is: 14,281.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,313.88 : 37,974.90 = 9,520.14 : x
  2. Step 2: Convert to fraction form
    25,313.88/37,974.90 = 9,520.14/x
  3. Step 3: Cross multiply
    25,313.88x = 37,974.90 × 9,520.14
  4. Step 4: Simplify right side
    25,313.88x = 361,526,364.49
  5. Step 5: Solve for x
    x = 361,526,364.49/25,313.88
  6. Step 6: Final answer
    x = 14,281.74

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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.