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Finding the Fourth Proportional to 61,866.90, 92,805.21 and 17,492.94

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Solution

The fourth proportional to 61,866.90, 92,805.21 and 17,492.94 is: 26,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,866.90 : 92,805.21 = 17,492.94 : x
  2. Step 2: Convert to fraction form
    61,866.90/92,805.21 = 17,492.94/x
  3. Step 3: Cross multiply
    61,866.90x = 92,805.21 × 17,492.94
  4. Step 4: Simplify right side
    61,866.90x = 1,623,435,970.22
  5. Step 5: Solve for x
    x = 1,623,435,970.22/61,866.90
  6. Step 6: Final answer
    x = 26,240.78

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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.