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Finding the Fourth Proportional to 8,907.58, 12,292.26 and 4,874.39

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Solution

The fourth proportional to 8,907.58, 12,292.26 and 4,874.39 is: 6,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.58 : 12,292.26 = 4,874.39 : x
  2. Step 2: Convert to fraction form
    8,907.58/12,292.26 = 4,874.39/x
  3. Step 3: Cross multiply
    8,907.58x = 12,292.26 × 4,874.39
  4. Step 4: Simplify right side
    8,907.58x = 59,917,216.90
  5. Step 5: Solve for x
    x = 59,917,216.90/8,907.58
  6. Step 6: Final answer
    x = 6,726.55

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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.