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Finding the Fourth Proportional to 33,355.80, 50,019.12 and 9,977.76

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Solution

The fourth proportional to 33,355.80, 50,019.12 and 9,977.76 is: 14,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,355.80 : 50,019.12 = 9,977.76 : x
  2. Step 2: Convert to fraction form
    33,355.80/50,019.12 = 9,977.76/x
  3. Step 3: Cross multiply
    33,355.80x = 50,019.12 × 9,977.76
  4. Step 4: Simplify right side
    33,355.80x = 499,078,774.77
  5. Step 5: Solve for x
    x = 499,078,774.77/33,355.80
  6. Step 6: Final answer
    x = 14,962.28

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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.