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Finding the Fourth Proportional to 4,287.47, 5,914.63 and 2,696.07

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Solution

The fourth proportional to 4,287.47, 5,914.63 and 2,696.07 is: 3,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.47 : 5,914.63 = 2,696.07 : x
  2. Step 2: Convert to fraction form
    4,287.47/5,914.63 = 2,696.07/x
  3. Step 3: Cross multiply
    4,287.47x = 5,914.63 × 2,696.07
  4. Step 4: Simplify right side
    4,287.47x = 15,946,256.50
  5. Step 5: Solve for x
    x = 15,946,256.50/4,287.47
  6. Step 6: Final answer
    x = 3,719.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.