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Finding the Fourth Proportional to 30,616.02, 45,934.25 and 11,896.65

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Solution

The fourth proportional to 30,616.02, 45,934.25 and 11,896.65 is: 17,848.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,616.02 : 45,934.25 = 11,896.65 : x
  2. Step 2: Convert to fraction form
    30,616.02/45,934.25 = 11,896.65/x
  3. Step 3: Cross multiply
    30,616.02x = 45,934.25 × 11,896.65
  4. Step 4: Simplify right side
    30,616.02x = 546,463,635.78
  5. Step 5: Solve for x
    x = 546,463,635.78/30,616.02
  6. Step 6: Final answer
    x = 17,848.94

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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.