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Finding the Fourth Proportional to 12,304.88, 16,996.76 and 9,955.88

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Solution

The fourth proportional to 12,304.88, 16,996.76 and 9,955.88 is: 13,752.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.88 : 16,996.76 = 9,955.88 : x
  2. Step 2: Convert to fraction form
    12,304.88/16,996.76 = 9,955.88/x
  3. Step 3: Cross multiply
    12,304.88x = 16,996.76 × 9,955.88
  4. Step 4: Simplify right side
    12,304.88x = 169,217,702.95
  5. Step 5: Solve for x
    x = 169,217,702.95/12,304.88
  6. Step 6: Final answer
    x = 13,752.08

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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.