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Finding the Fourth Proportional to 17,045.77, 25,572.74 and 5,358.99

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Solution

The fourth proportional to 17,045.77, 25,572.74 and 5,358.99 is: 8,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,045.77 : 25,572.74 = 5,358.99 : x
  2. Step 2: Convert to fraction form
    17,045.77/25,572.74 = 5,358.99/x
  3. Step 3: Cross multiply
    17,045.77x = 25,572.74 × 5,358.99
  4. Step 4: Simplify right side
    17,045.77x = 137,043,926.34
  5. Step 5: Solve for x
    x = 137,043,926.34/17,045.77
  6. Step 6: Final answer
    x = 8,039.76

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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.