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Finding the Fourth Proportional to 35,862.30, 49,486.50 and 20,751.95

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Solution

The fourth proportional to 35,862.30, 49,486.50 and 20,751.95 is: 28,635.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,862.30 : 49,486.50 = 20,751.95 : x
  2. Step 2: Convert to fraction form
    35,862.30/49,486.50 = 20,751.95/x
  3. Step 3: Cross multiply
    35,862.30x = 49,486.50 × 20,751.95
  4. Step 4: Simplify right side
    35,862.30x = 1,026,941,497.39
  5. Step 5: Solve for x
    x = 1,026,941,497.39/35,862.30
  6. Step 6: Final answer
    x = 28,635.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.