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Finding the Fourth Proportional to 33,019.80, 49,536.90 and 10,829.40

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Solution

The fourth proportional to 33,019.80, 49,536.90 and 10,829.40 is: 16,246.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,019.80 : 49,536.90 = 10,829.40 : x
  2. Step 2: Convert to fraction form
    33,019.80/49,536.90 = 10,829.40/x
  3. Step 3: Cross multiply
    33,019.80x = 49,536.90 × 10,829.40
  4. Step 4: Simplify right side
    33,019.80x = 536,454,904.86
  5. Step 5: Solve for x
    x = 536,454,904.86/33,019.80
  6. Step 6: Final answer
    x = 16,246.46

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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.