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Finding the Fourth Proportional to 35,576.52, 49,099.88 and 20,672.52

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Solution

The fourth proportional to 35,576.52, 49,099.88 and 20,672.52 is: 28,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,576.52 : 49,099.88 = 20,672.52 : x
  2. Step 2: Convert to fraction form
    35,576.52/49,099.88 = 20,672.52/x
  3. Step 3: Cross multiply
    35,576.52x = 49,099.88 × 20,672.52
  4. Step 4: Simplify right side
    35,576.52x = 1,015,018,251.30
  5. Step 5: Solve for x
    x = 1,015,018,251.30/35,576.52
  6. Step 6: Final answer
    x = 28,530.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.