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Finding the Fourth Proportional to 35,295.95, 48,698.92 and 20,943.87

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Solution

The fourth proportional to 35,295.95, 48,698.92 and 20,943.87 is: 28,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,295.95 : 48,698.92 = 20,943.87 : x
  2. Step 2: Convert to fraction form
    35,295.95/48,698.92 = 20,943.87/x
  3. Step 3: Cross multiply
    35,295.95x = 48,698.92 × 20,943.87
  4. Step 4: Simplify right side
    35,295.95x = 1,019,943,693.18
  5. Step 5: Solve for x
    x = 1,019,943,693.18/35,295.95
  6. Step 6: Final answer
    x = 28,896.90

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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.