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Finding the Fourth Proportional to 47,793.95, 71,699.58 and 19,698.39

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Solution

The fourth proportional to 47,793.95, 71,699.58 and 19,698.39 is: 29,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,793.95 : 71,699.58 = 19,698.39 : x
  2. Step 2: Convert to fraction form
    47,793.95/71,699.58 = 19,698.39/x
  3. Step 3: Cross multiply
    47,793.95x = 71,699.58 × 19,698.39
  4. Step 4: Simplify right side
    47,793.95x = 1,412,366,289.68
  5. Step 5: Solve for x
    x = 1,412,366,289.68/47,793.95
  6. Step 6: Final answer
    x = 29,551.15

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1.5x scale

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.