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Finding the Fourth Proportional to 17,655.84, 26,483.58 and 5,343.84

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Solution

The fourth proportional to 17,655.84, 26,483.58 and 5,343.84 is: 8,015.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,655.84 : 26,483.58 = 5,343.84 : x
  2. Step 2: Convert to fraction form
    17,655.84/26,483.58 = 5,343.84/x
  3. Step 3: Cross multiply
    17,655.84x = 26,483.58 × 5,343.84
  4. Step 4: Simplify right side
    17,655.84x = 141,524,014.15
  5. Step 5: Solve for x
    x = 141,524,014.15/17,655.84
  6. Step 6: Final answer
    x = 8,015.71

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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.