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Finding the Fourth Proportional to 7,662.69, 10,574.21 and 4,683.51

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Solution

The fourth proportional to 7,662.69, 10,574.21 and 4,683.51 is: 6,463.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.69 : 10,574.21 = 4,683.51 : x
  2. Step 2: Convert to fraction form
    7,662.69/10,574.21 = 4,683.51/x
  3. Step 3: Cross multiply
    7,662.69x = 10,574.21 × 4,683.51
  4. Step 4: Simplify right side
    7,662.69x = 49,524,429.99
  5. Step 5: Solve for x
    x = 49,524,429.99/7,662.69
  6. Step 6: Final answer
    x = 6,463.06

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1.5x scale

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.