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Finding the Fourth Proportional to 12,007.62, 16,569.97 and 6,702.31

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Solution

The fourth proportional to 12,007.62, 16,569.97 and 6,702.31 is: 9,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.62 : 16,569.97 = 6,702.31 : x
  2. Step 2: Convert to fraction form
    12,007.62/16,569.97 = 6,702.31/x
  3. Step 3: Cross multiply
    12,007.62x = 16,569.97 × 6,702.31
  4. Step 4: Simplify right side
    12,007.62x = 111,057,075.63
  5. Step 5: Solve for x
    x = 111,057,075.63/12,007.62
  6. Step 6: Final answer
    x = 9,248.88

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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.