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Finding the Fourth Proportional to 12,304.41, 16,980.13 and 6,715.41

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Solution

The fourth proportional to 12,304.41, 16,980.13 and 6,715.41 is: 9,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.41 : 16,980.13 = 6,715.41 : x
  2. Step 2: Convert to fraction form
    12,304.41/16,980.13 = 6,715.41/x
  3. Step 3: Cross multiply
    12,304.41x = 16,980.13 × 6,715.41
  4. Step 4: Simplify right side
    12,304.41x = 114,028,479.52
  5. Step 5: Solve for x
    x = 114,028,479.52/12,304.41
  6. Step 6: Final answer
    x = 9,267.29

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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.