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Finding the Fourth Proportional to 61,725.98, 92,602.64 and 19,618.94

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Solution

The fourth proportional to 61,725.98, 92,602.64 and 19,618.94 is: 29,432.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,725.98 : 92,602.64 = 19,618.94 : x
  2. Step 2: Convert to fraction form
    61,725.98/92,602.64 = 19,618.94/x
  3. Step 3: Cross multiply
    61,725.98x = 92,602.64 × 19,618.94
  4. Step 4: Simplify right side
    61,725.98x = 1,816,765,918.56
  5. Step 5: Solve for x
    x = 1,816,765,918.56/61,725.98
  6. Step 6: Final answer
    x = 29,432.76

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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.