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Finding the Fourth Proportional to 61,767.36, 92,650.13 and 19,649.99

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Solution

The fourth proportional to 61,767.36, 92,650.13 and 19,649.99 is: 29,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,767.36 : 92,650.13 = 19,649.99 : x
  2. Step 2: Convert to fraction form
    61,767.36/92,650.13 = 19,649.99/x
  3. Step 3: Cross multiply
    61,767.36x = 92,650.13 × 19,649.99
  4. Step 4: Simplify right side
    61,767.36x = 1,820,574,335.06
  5. Step 5: Solve for x
    x = 1,820,574,335.06/61,767.36
  6. Step 6: Final answer
    x = 29,474.70

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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.