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Finding the Fourth Proportional to 61,358, 92,036.82 and 19,241.36

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Solution

The fourth proportional to 61,358, 92,036.82 and 19,241.36 is: 28,861.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,358 : 92,036.82 = 19,241.36 : x
  2. Step 2: Convert to fraction form
    61,358/92,036.82 = 19,241.36/x
  3. Step 3: Cross multiply
    61,358x = 92,036.82 × 19,241.36
  4. Step 4: Simplify right side
    61,358x = 1,770,913,586.88
  5. Step 5: Solve for x
    x = 1,770,913,586.88/61,358
  6. Step 6: Final answer
    x = 28,861.98

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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.