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Finding the Fourth Proportional to 5,569.47, 7,681.09 and 3,973.07

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Solution

The fourth proportional to 5,569.47, 7,681.09 and 3,973.07 is: 5,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,569.47 : 7,681.09 = 3,973.07 : x
  2. Step 2: Convert to fraction form
    5,569.47/7,681.09 = 3,973.07/x
  3. Step 3: Cross multiply
    5,569.47x = 7,681.09 × 3,973.07
  4. Step 4: Simplify right side
    5,569.47x = 30,517,508.25
  5. Step 5: Solve for x
    x = 30,517,508.25/5,569.47
  6. Step 6: Final answer
    x = 5,479.43

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