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Finding the Fourth Proportional to 1,014.22, 1,512.17 and 1,004.14

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Solution

The fourth proportional to 1,014.22, 1,512.17 and 1,004.14 is: 1,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.22 : 1,512.17 = 1,004.14 : x
  2. Step 2: Convert to fraction form
    1,014.22/1,512.17 = 1,004.14/x
  3. Step 3: Cross multiply
    1,014.22x = 1,512.17 × 1,004.14
  4. Step 4: Simplify right side
    1,014.22x = 1,518,430.38
  5. Step 5: Solve for x
    x = 1,518,430.38/1,014.22
  6. Step 6: Final answer
    x = 1,497.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.