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Finding the Fourth Proportional to 25,155.56, 37,733.40 and 6,687.56

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Solution

The fourth proportional to 25,155.56, 37,733.40 and 6,687.56 is: 10,031.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,155.56 : 37,733.40 = 6,687.56 : x
  2. Step 2: Convert to fraction form
    25,155.56/37,733.40 = 6,687.56/x
  3. Step 3: Cross multiply
    25,155.56x = 37,733.40 × 6,687.56
  4. Step 4: Simplify right side
    25,155.56x = 252,344,376.50
  5. Step 5: Solve for x
    x = 252,344,376.50/25,155.56
  6. Step 6: Final answer
    x = 10,031.36

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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.