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Finding the Fourth Proportional to 57,259.84, 85,876.80 and 26,104

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Solution

The fourth proportional to 57,259.84, 85,876.80 and 26,104 is: 39,150.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,259.84 : 85,876.80 = 26,104 : x
  2. Step 2: Convert to fraction form
    57,259.84/85,876.80 = 26,104/x
  3. Step 3: Cross multiply
    57,259.84x = 85,876.80 × 26,104
  4. Step 4: Simplify right side
    57,259.84x = 2,241,727,987.20
  5. Step 5: Solve for x
    x = 2,241,727,987.20/57,259.84
  6. Step 6: Final answer
    x = 39,150.09

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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.