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Finding the Fourth Proportional to 61,442.84, 92,170.84 and 17,069.72

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Solution

The fourth proportional to 61,442.84, 92,170.84 and 17,069.72 is: 25,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,442.84 : 92,170.84 = 17,069.72 : x
  2. Step 2: Convert to fraction form
    61,442.84/92,170.84 = 17,069.72/x
  3. Step 3: Cross multiply
    61,442.84x = 92,170.84 × 17,069.72
  4. Step 4: Simplify right side
    61,442.84x = 1,573,330,430.96
  5. Step 5: Solve for x
    x = 1,573,330,430.96/61,442.84
  6. Step 6: Final answer
    x = 25,606.41

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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.