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Finding the Fourth Proportional to 20,304.98, 30,460.50 and 6,263.84

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Solution

The fourth proportional to 20,304.98, 30,460.50 and 6,263.84 is: 9,396.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,304.98 : 30,460.50 = 6,263.84 : x
  2. Step 2: Convert to fraction form
    20,304.98/30,460.50 = 6,263.84/x
  3. Step 3: Cross multiply
    20,304.98x = 30,460.50 × 6,263.84
  4. Step 4: Simplify right side
    20,304.98x = 190,799,698.32
  5. Step 5: Solve for x
    x = 190,799,698.32/20,304.98
  6. Step 6: Final answer
    x = 9,396.69

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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.