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Finding the Fourth Proportional to 61,774.97, 92,764.97 and 38,549.03

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Solution

The fourth proportional to 61,774.97, 92,764.97 and 38,549.03 is: 57,887.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,774.97 : 92,764.97 = 38,549.03 : x
  2. Step 2: Convert to fraction form
    61,774.97/92,764.97 = 38,549.03/x
  3. Step 3: Cross multiply
    61,774.97x = 92,764.97 × 38,549.03
  4. Step 4: Simplify right side
    61,774.97x = 3,575,999,418.73
  5. Step 5: Solve for x
    x = 3,575,999,418.73/61,774.97
  6. Step 6: Final answer
    x = 57,887.51

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1.5x scale

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.