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Finding the Fourth Proportional to 15,995.57, 23,997.60 and 5,465.57

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Solution

The fourth proportional to 15,995.57, 23,997.60 and 5,465.57 is: 8,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,995.57 : 23,997.60 = 5,465.57 : x
  2. Step 2: Convert to fraction form
    15,995.57/23,997.60 = 5,465.57/x
  3. Step 3: Cross multiply
    15,995.57x = 23,997.60 × 5,465.57
  4. Step 4: Simplify right side
    15,995.57x = 131,160,442.64
  5. Step 5: Solve for x
    x = 131,160,442.64/15,995.57
  6. Step 6: Final answer
    x = 8,199.80

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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.