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Finding the Fourth Proportional to 19,265.69, 28,902.45 and 10,949.69

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Solution

The fourth proportional to 19,265.69, 28,902.45 and 10,949.69 is: 16,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,265.69 : 28,902.45 = 10,949.69 : x
  2. Step 2: Convert to fraction form
    19,265.69/28,902.45 = 10,949.69/x
  3. Step 3: Cross multiply
    19,265.69x = 28,902.45 × 10,949.69
  4. Step 4: Simplify right side
    19,265.69x = 316,472,867.74
  5. Step 5: Solve for x
    x = 316,472,867.74/19,265.69
  6. Step 6: Final answer
    x = 16,426.76

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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.