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Finding the Fourth Proportional to 61,760.98, 92,642.49 and 17,388.80

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Solution

The fourth proportional to 61,760.98, 92,642.49 and 17,388.80 is: 26,083.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,760.98 : 92,642.49 = 17,388.80 : x
  2. Step 2: Convert to fraction form
    61,760.98/92,642.49 = 17,388.80/x
  3. Step 3: Cross multiply
    61,760.98x = 92,642.49 × 17,388.80
  4. Step 4: Simplify right side
    61,760.98x = 1,610,941,614.31
  5. Step 5: Solve for x
    x = 1,610,941,614.31/61,760.98
  6. Step 6: Final answer
    x = 26,083.48

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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.