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Finding the Fourth Proportional to 46,967.91, 70,453.13 and 11,910.30

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Solution

The fourth proportional to 46,967.91, 70,453.13 and 11,910.30 is: 17,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,967.91 : 70,453.13 = 11,910.30 : x
  2. Step 2: Convert to fraction form
    46,967.91/70,453.13 = 11,910.30/x
  3. Step 3: Cross multiply
    46,967.91x = 70,453.13 × 11,910.30
  4. Step 4: Simplify right side
    46,967.91x = 839,117,854.69
  5. Step 5: Solve for x
    x = 839,117,854.69/46,967.91
  6. Step 6: Final answer
    x = 17,865.77

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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.