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Finding the Fourth Proportional to 30,658.38, 45,992.01 and 10,935.18

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Solution

The fourth proportional to 30,658.38, 45,992.01 and 10,935.18 is: 16,404.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,658.38 : 45,992.01 = 10,935.18 : x
  2. Step 2: Convert to fraction form
    30,658.38/45,992.01 = 10,935.18/x
  3. Step 3: Cross multiply
    30,658.38x = 45,992.01 × 10,935.18
  4. Step 4: Simplify right side
    30,658.38x = 502,930,907.91
  5. Step 5: Solve for x
    x = 502,930,907.91/30,658.38
  6. Step 6: Final answer
    x = 16,404.35

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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.