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Finding the Fourth Proportional to 12,068.87, 16,654.35 and 7,033.91

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Solution

The fourth proportional to 12,068.87, 16,654.35 and 7,033.91 is: 9,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,068.87 : 16,654.35 = 7,033.91 : x
  2. Step 2: Convert to fraction form
    12,068.87/16,654.35 = 7,033.91/x
  3. Step 3: Cross multiply
    12,068.87x = 16,654.35 × 7,033.91
  4. Step 4: Simplify right side
    12,068.87x = 117,145,115.74
  5. Step 5: Solve for x
    x = 117,145,115.74/12,068.87
  6. Step 6: Final answer
    x = 9,706.39

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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.