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Finding the Fourth Proportional to 12,068.46, 16,654.95 and 6,763.23

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Solution

The fourth proportional to 12,068.46, 16,654.95 and 6,763.23 is: 9,333.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.46 : 16,654.95 = 6,763.23 : x
  2. Step 2: Convert to fraction form
    12,068.46/16,654.95 = 6,763.23/x
  3. Step 3: Cross multiply
    12,068.46x = 16,654.95 × 6,763.23
  4. Step 4: Simplify right side
    12,068.46x = 112,641,257.49
  5. Step 5: Solve for x
    x = 112,641,257.49/12,068.46
  6. Step 6: Final answer
    x = 9,333.52

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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.