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Finding the Fourth Proportional to 7,479.69, 10,320.15 and 5,097.51

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Solution

The fourth proportional to 7,479.69, 10,320.15 and 5,097.51 is: 7,033.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.69 : 10,320.15 = 5,097.51 : x
  2. Step 2: Convert to fraction form
    7,479.69/10,320.15 = 5,097.51/x
  3. Step 3: Cross multiply
    7,479.69x = 10,320.15 × 5,097.51
  4. Step 4: Simplify right side
    7,479.69x = 52,607,067.83
  5. Step 5: Solve for x
    x = 52,607,067.83/7,479.69
  6. Step 6: Final answer
    x = 7,033.32

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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.