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Finding the Fourth Proportional to 7,681.66, 10,600.29 and 4,324.37

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Solution

The fourth proportional to 7,681.66, 10,600.29 and 4,324.37 is: 5,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.66 : 10,600.29 = 4,324.37 : x
  2. Step 2: Convert to fraction form
    7,681.66/10,600.29 = 4,324.37/x
  3. Step 3: Cross multiply
    7,681.66x = 10,600.29 × 4,324.37
  4. Step 4: Simplify right side
    7,681.66x = 45,839,523.07
  5. Step 5: Solve for x
    x = 45,839,523.07/7,681.66
  6. Step 6: Final answer
    x = 5,967.40

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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.