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Finding the Fourth Proportional to 49,471.95, 68,276.21 and 28,254.41

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Solution

The fourth proportional to 49,471.95, 68,276.21 and 28,254.41 is: 38,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,471.95 : 68,276.21 = 28,254.41 : x
  2. Step 2: Convert to fraction form
    49,471.95/68,276.21 = 28,254.41/x
  3. Step 3: Cross multiply
    49,471.95x = 68,276.21 × 28,254.41
  4. Step 4: Simplify right side
    49,471.95x = 1,929,104,030.59
  5. Step 5: Solve for x
    x = 1,929,104,030.59/49,471.95
  6. Step 6: Final answer
    x = 38,993.90

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1.5x scale

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.