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Finding the Fourth Proportional to 82,594.76, 123,891.90 and 23,430.44

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Solution

The fourth proportional to 82,594.76, 123,891.90 and 23,430.44 is: 35,145.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,594.76 : 123,891.90 = 23,430.44 : x
  2. Step 2: Convert to fraction form
    82,594.76/123,891.90 = 23,430.44/x
  3. Step 3: Cross multiply
    82,594.76x = 123,891.90 × 23,430.44
  4. Step 4: Simplify right side
    82,594.76x = 2,902,841,729.44
  5. Step 5: Solve for x
    x = 2,902,841,729.44/82,594.76
  6. Step 6: Final answer
    x = 35,145.59

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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.