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Finding the Fourth Proportional to 11,713.17, 17,569.71 and 4,696.32

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Solution

The fourth proportional to 11,713.17, 17,569.71 and 4,696.32 is: 7,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,713.17 : 17,569.71 = 4,696.32 : x
  2. Step 2: Convert to fraction form
    11,713.17/17,569.71 = 4,696.32/x
  3. Step 3: Cross multiply
    11,713.17x = 17,569.71 × 4,696.32
  4. Step 4: Simplify right side
    11,713.17x = 82,512,980.47
  5. Step 5: Solve for x
    x = 82,512,980.47/11,713.17
  6. Step 6: Final answer
    x = 7,044.46

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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.