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Finding the Fourth Proportional to 45,143.44, 67,696.44 and 17,058.64

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Solution

The fourth proportional to 45,143.44, 67,696.44 and 17,058.64 is: 25,580.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,143.44 : 67,696.44 = 17,058.64 : x
  2. Step 2: Convert to fraction form
    45,143.44/67,696.44 = 17,058.64/x
  3. Step 3: Cross multiply
    45,143.44x = 67,696.44 × 17,058.64
  4. Step 4: Simplify right side
    45,143.44x = 1,154,809,199.24
  5. Step 5: Solve for x
    x = 1,154,809,199.24/45,143.44
  6. Step 6: Final answer
    x = 25,580.89

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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.