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Finding the Fourth Proportional to 25,267.80, 37,905.48 and 8,164.98

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Solution

The fourth proportional to 25,267.80, 37,905.48 and 8,164.98 is: 12,248.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,267.80 : 37,905.48 = 8,164.98 : x
  2. Step 2: Convert to fraction form
    25,267.80/37,905.48 = 8,164.98/x
  3. Step 3: Cross multiply
    25,267.80x = 37,905.48 × 8,164.98
  4. Step 4: Simplify right side
    25,267.80x = 309,497,486.09
  5. Step 5: Solve for x
    x = 309,497,486.09/25,267.80
  6. Step 6: Final answer
    x = 12,248.69

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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.