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Finding the Fourth Proportional to 46,008, 68,971.03 and 17,921.49

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Solution

The fourth proportional to 46,008, 68,971.03 and 17,921.49 is: 26,866.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,008 : 68,971.03 = 17,921.49 : x
  2. Step 2: Convert to fraction form
    46,008/68,971.03 = 17,921.49/x
  3. Step 3: Cross multiply
    46,008x = 68,971.03 × 17,921.49
  4. Step 4: Simplify right side
    46,008x = 1,236,063,320.99
  5. Step 5: Solve for x
    x = 1,236,063,320.99/46,008
  6. Step 6: Final answer
    x = 26,866.27

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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.