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Finding the Fourth Proportional to 25,151.74, 37,733.46 and 7,381.68

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Solution

The fourth proportional to 25,151.74, 37,733.46 and 7,381.68 is: 11,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,151.74 : 37,733.46 = 7,381.68 : x
  2. Step 2: Convert to fraction form
    25,151.74/37,733.46 = 7,381.68/x
  3. Step 3: Cross multiply
    25,151.74x = 37,733.46 × 7,381.68
  4. Step 4: Simplify right side
    25,151.74x = 278,536,327.01
  5. Step 5: Solve for x
    x = 278,536,327.01/25,151.74
  6. Step 6: Final answer
    x = 11,074.24

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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.