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Finding the Fourth Proportional to 25,157.67, 37,741.95 and 7,628.82

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Solution

The fourth proportional to 25,157.67, 37,741.95 and 7,628.82 is: 11,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,157.67 : 37,741.95 = 7,628.82 : x
  2. Step 2: Convert to fraction form
    25,157.67/37,741.95 = 7,628.82/x
  3. Step 3: Cross multiply
    25,157.67x = 37,741.95 × 7,628.82
  4. Step 4: Simplify right side
    25,157.67x = 287,926,543.00
  5. Step 5: Solve for x
    x = 287,926,543.00/25,157.67
  6. Step 6: Final answer
    x = 11,444.88

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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.