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Finding the Fourth Proportional to 28,611.22, 42,916.82 and 23,340.54

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Solution

The fourth proportional to 28,611.22, 42,916.82 and 23,340.54 is: 35,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,611.22 : 42,916.82 = 23,340.54 : x
  2. Step 2: Convert to fraction form
    28,611.22/42,916.82 = 23,340.54/x
  3. Step 3: Cross multiply
    28,611.22x = 42,916.82 × 23,340.54
  4. Step 4: Simplify right side
    28,611.22x = 1,001,701,753.88
  5. Step 5: Solve for x
    x = 1,001,701,753.88/28,611.22
  6. Step 6: Final answer
    x = 35,010.80

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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.