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Finding the Fourth Proportional to 17,457.90, 26,187.93 and 8,683.98

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Solution

The fourth proportional to 17,457.90, 26,187.93 and 8,683.98 is: 13,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,457.90 : 26,187.93 = 8,683.98 : x
  2. Step 2: Convert to fraction form
    17,457.90/26,187.93 = 8,683.98/x
  3. Step 3: Cross multiply
    17,457.90x = 26,187.93 × 8,683.98
  4. Step 4: Simplify right side
    17,457.90x = 227,415,460.36
  5. Step 5: Solve for x
    x = 227,415,460.36/17,457.90
  6. Step 6: Final answer
    x = 13,026.51

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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.