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Finding the Fourth Proportional to 7,644.84, 10,549.41 and 4,287.41

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Solution

The fourth proportional to 7,644.84, 10,549.41 and 4,287.41 is: 5,916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.84 : 10,549.41 = 4,287.41 : x
  2. Step 2: Convert to fraction form
    7,644.84/10,549.41 = 4,287.41/x
  3. Step 3: Cross multiply
    7,644.84x = 10,549.41 × 4,287.41
  4. Step 4: Simplify right side
    7,644.84x = 45,229,645.93
  5. Step 5: Solve for x
    x = 45,229,645.93/7,644.84
  6. Step 6: Final answer
    x = 5,916.36

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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.