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Finding the Fourth Proportional to 35,307.68, 52,963.20 and 19,713.44

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Solution

The fourth proportional to 35,307.68, 52,963.20 and 19,713.44 is: 29,571.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,307.68 : 52,963.20 = 19,713.44 : x
  2. Step 2: Convert to fraction form
    35,307.68/52,963.20 = 19,713.44/x
  3. Step 3: Cross multiply
    35,307.68x = 52,963.20 × 19,713.44
  4. Step 4: Simplify right side
    35,307.68x = 1,044,086,865.41
  5. Step 5: Solve for x
    x = 1,044,086,865.41/35,307.68
  6. Step 6: Final answer
    x = 29,571.10

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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.