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Finding the Fourth Proportional to 25,294.56, 37,931.31 and 8,651.22

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Solution

The fourth proportional to 25,294.56, 37,931.31 and 8,651.22 is: 12,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,294.56 : 37,931.31 = 8,651.22 : x
  2. Step 2: Convert to fraction form
    25,294.56/37,931.31 = 8,651.22/x
  3. Step 3: Cross multiply
    25,294.56x = 37,931.31 × 8,651.22
  4. Step 4: Simplify right side
    25,294.56x = 328,152,107.70
  5. Step 5: Solve for x
    x = 328,152,107.70/25,294.56
  6. Step 6: Final answer
    x = 12,973.23

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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.