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Finding the Fourth Proportional to 30,552.39, 45,833.99 and 10,842.39

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Solution

The fourth proportional to 30,552.39, 45,833.99 and 10,842.39 is: 16,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,552.39 : 45,833.99 = 10,842.39 : x
  2. Step 2: Convert to fraction form
    30,552.39/45,833.99 = 10,842.39/x
  3. Step 3: Cross multiply
    30,552.39x = 45,833.99 × 10,842.39
  4. Step 4: Simplify right side
    30,552.39x = 496,949,940.62
  5. Step 5: Solve for x
    x = 496,949,940.62/30,552.39
  6. Step 6: Final answer
    x = 16,265.50

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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.