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Finding the Fourth Proportional to 63,040, 94,561.28 and 19,264

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Solution

The fourth proportional to 63,040, 94,561.28 and 19,264 is: 28,896.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,040 : 94,561.28 = 19,264 : x
  2. Step 2: Convert to fraction form
    63,040/94,561.28 = 19,264/x
  3. Step 3: Cross multiply
    63,040x = 94,561.28 × 19,264
  4. Step 4: Simplify right side
    63,040x = 1,821,628,497.92
  5. Step 5: Solve for x
    x = 1,821,628,497.92/63,040
  6. Step 6: Final answer
    x = 28,896.39

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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.