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Finding the Fourth Proportional to 12,304.98, 16,979.03 and 6,926.63

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Solution

The fourth proportional to 12,304.98, 16,979.03 and 6,926.63 is: 9,557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.98 : 16,979.03 = 6,926.63 : x
  2. Step 2: Convert to fraction form
    12,304.98/16,979.03 = 6,926.63/x
  3. Step 3: Cross multiply
    12,304.98x = 16,979.03 × 6,926.63
  4. Step 4: Simplify right side
    12,304.98x = 117,607,499.48
  5. Step 5: Solve for x
    x = 117,607,499.48/12,304.98
  6. Step 6: Final answer
    x = 9,557.72

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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.