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Finding the Fourth Proportional to 15,471.99, 23,197.95 and 5,609.97

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Solution

The fourth proportional to 15,471.99, 23,197.95 and 5,609.97 is: 8,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471.99 : 23,197.95 = 5,609.97 : x
  2. Step 2: Convert to fraction form
    15,471.99/23,197.95 = 5,609.97/x
  3. Step 3: Cross multiply
    15,471.99x = 23,197.95 × 5,609.97
  4. Step 4: Simplify right side
    15,471.99x = 130,139,803.56
  5. Step 5: Solve for x
    x = 130,139,803.56/15,471.99
  6. Step 6: Final answer
    x = 8,411.32

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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.