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Finding the Fourth Proportional to 23,890.12, 35,841.12 and 8,307.88

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Solution

The fourth proportional to 23,890.12, 35,841.12 and 8,307.88 is: 12,463.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,890.12 : 35,841.12 = 8,307.88 : x
  2. Step 2: Convert to fraction form
    23,890.12/35,841.12 = 8,307.88/x
  3. Step 3: Cross multiply
    23,890.12x = 35,841.12 × 8,307.88
  4. Step 4: Simplify right side
    23,890.12x = 297,763,724.03
  5. Step 5: Solve for x
    x = 297,763,724.03/23,890.12
  6. Step 6: Final answer
    x = 12,463.89

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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.