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Finding the Fourth Proportional to 17,457.27, 26,176.34 and 6,916.62

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Solution

The fourth proportional to 17,457.27, 26,176.34 and 6,916.62 is: 10,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,457.27 : 26,176.34 = 6,916.62 : x
  2. Step 2: Convert to fraction form
    17,457.27/26,176.34 = 6,916.62/x
  3. Step 3: Cross multiply
    17,457.27x = 26,176.34 × 6,916.62
  4. Step 4: Simplify right side
    17,457.27x = 181,051,671.91
  5. Step 5: Solve for x
    x = 181,051,671.91/17,457.27
  6. Step 6: Final answer
    x = 10,371.13

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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.