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Finding the Fourth Proportional to 7,801.99, 11,702.88 and 2,537.25

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Solution

The fourth proportional to 7,801.99, 11,702.88 and 2,537.25 is: 3,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.99 : 11,702.88 = 2,537.25 : x
  2. Step 2: Convert to fraction form
    7,801.99/11,702.88 = 2,537.25/x
  3. Step 3: Cross multiply
    7,801.99x = 11,702.88 × 2,537.25
  4. Step 4: Simplify right side
    7,801.99x = 29,693,061.08
  5. Step 5: Solve for x
    x = 29,693,061.08/7,801.99
  6. Step 6: Final answer
    x = 3,805.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.