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Finding the Fourth Proportional to 25,412.56, 38,125.49 and 8,773.74

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Solution

The fourth proportional to 25,412.56, 38,125.49 and 8,773.74 is: 13,162.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,412.56 : 38,125.49 = 8,773.74 : x
  2. Step 2: Convert to fraction form
    25,412.56/38,125.49 = 8,773.74/x
  3. Step 3: Cross multiply
    25,412.56x = 38,125.49 × 8,773.74
  4. Step 4: Simplify right side
    25,412.56x = 334,503,199.99
  5. Step 5: Solve for x
    x = 334,503,199.99/25,412.56
  6. Step 6: Final answer
    x = 13,162.91

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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.