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Finding the Fourth Proportional to 25,151.76, 37,733.04 and 7,622.96

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Solution

The fourth proportional to 25,151.76, 37,733.04 and 7,622.96 is: 11,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,151.76 : 37,733.04 = 7,622.96 : x
  2. Step 2: Convert to fraction form
    25,151.76/37,733.04 = 7,622.96/x
  3. Step 3: Cross multiply
    25,151.76x = 37,733.04 × 7,622.96
  4. Step 4: Simplify right side
    25,151.76x = 287,637,265.93
  5. Step 5: Solve for x
    x = 287,637,265.93/25,151.76
  6. Step 6: Final answer
    x = 11,436.07

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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.