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Finding the Fourth Proportional to 33,353.57, 50,037.65 and 9,978.19

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Solution

The fourth proportional to 33,353.57, 50,037.65 and 9,978.19 is: 14,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,353.57 : 50,037.65 = 9,978.19 : x
  2. Step 2: Convert to fraction form
    33,353.57/50,037.65 = 9,978.19/x
  3. Step 3: Cross multiply
    33,353.57x = 50,037.65 × 9,978.19
  4. Step 4: Simplify right side
    33,353.57x = 499,285,041.29
  5. Step 5: Solve for x
    x = 499,285,041.29/33,353.57
  6. Step 6: Final answer
    x = 14,969.46

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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.