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Finding the Fourth Proportional to 57,335.90, 85,970.19 and 17,342.85

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Solution

The fourth proportional to 57,335.90, 85,970.19 and 17,342.85 is: 26,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,335.90 : 85,970.19 = 17,342.85 : x
  2. Step 2: Convert to fraction form
    57,335.90/85,970.19 = 17,342.85/x
  3. Step 3: Cross multiply
    57,335.90x = 85,970.19 × 17,342.85
  4. Step 4: Simplify right side
    57,335.90x = 1,490,968,109.64
  5. Step 5: Solve for x
    x = 1,490,968,109.64/57,335.90
  6. Step 6: Final answer
    x = 26,004.09

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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.