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Finding the Fourth Proportional to 61,136.92, 91,705.50 and 16,764.28

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Solution

The fourth proportional to 61,136.92, 91,705.50 and 16,764.28 is: 25,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,136.92 : 91,705.50 = 16,764.28 : x
  2. Step 2: Convert to fraction form
    61,136.92/91,705.50 = 16,764.28/x
  3. Step 3: Cross multiply
    61,136.92x = 91,705.50 × 16,764.28
  4. Step 4: Simplify right side
    61,136.92x = 1,537,376,679.54
  5. Step 5: Solve for x
    x = 1,537,376,679.54/61,136.92
  6. Step 6: Final answer
    x = 25,146.45

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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.