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Finding the Fourth Proportional to 35,653.66, 49,202.62 and 19,520.69

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Solution

The fourth proportional to 35,653.66, 49,202.62 and 19,520.69 is: 26,938.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,653.66 : 49,202.62 = 19,520.69 : x
  2. Step 2: Convert to fraction form
    35,653.66/49,202.62 = 19,520.69/x
  3. Step 3: Cross multiply
    35,653.66x = 49,202.62 × 19,520.69
  4. Step 4: Simplify right side
    35,653.66x = 960,468,797.39
  5. Step 5: Solve for x
    x = 960,468,797.39/35,653.66
  6. Step 6: Final answer
    x = 26,938.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.