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Finding the Fourth Proportional to 17,846.28, 26,811.02 and 15,355.16

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Solution

The fourth proportional to 17,846.28, 26,811.02 and 15,355.16 is: 23,068.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,846.28 : 26,811.02 = 15,355.16 : x
  2. Step 2: Convert to fraction form
    17,846.28/26,811.02 = 15,355.16/x
  3. Step 3: Cross multiply
    17,846.28x = 26,811.02 × 15,355.16
  4. Step 4: Simplify right side
    17,846.28x = 411,687,501.86
  5. Step 5: Solve for x
    x = 411,687,501.86/17,846.28
  6. Step 6: Final answer
    x = 23,068.53

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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.