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Finding the Fourth Proportional to 57,100.96, 85,664.03 and 17,118.35

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Solution

The fourth proportional to 57,100.96, 85,664.03 and 17,118.35 is: 25,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,100.96 : 85,664.03 = 17,118.35 : x
  2. Step 2: Convert to fraction form
    57,100.96/85,664.03 = 17,118.35/x
  3. Step 3: Cross multiply
    57,100.96x = 85,664.03 × 17,118.35
  4. Step 4: Simplify right side
    57,100.96x = 1,466,426,334.04
  5. Step 5: Solve for x
    x = 1,466,426,334.04/57,100.96
  6. Step 6: Final answer
    x = 25,681.29

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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.