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Finding the Fourth Proportional to 35,708.76, 49,280.46 and 19,793.88

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Solution

The fourth proportional to 35,708.76, 49,280.46 and 19,793.88 is: 27,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,708.76 : 49,280.46 = 19,793.88 : x
  2. Step 2: Convert to fraction form
    35,708.76/49,280.46 = 19,793.88/x
  3. Step 3: Cross multiply
    35,708.76x = 49,280.46 × 19,793.88
  4. Step 4: Simplify right side
    35,708.76x = 975,451,511.58
  5. Step 5: Solve for x
    x = 975,451,511.58/35,708.76
  6. Step 6: Final answer
    x = 27,316.87

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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.