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Finding the Fourth Proportional to 7,503.84, 11,234.80 and 3,798.09

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Solution

The fourth proportional to 7,503.84, 11,234.80 and 3,798.09 is: 5,686.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.84 : 11,234.80 = 3,798.09 : x
  2. Step 2: Convert to fraction form
    7,503.84/11,234.80 = 3,798.09/x
  3. Step 3: Cross multiply
    7,503.84x = 11,234.80 × 3,798.09
  4. Step 4: Simplify right side
    7,503.84x = 42,670,786.28
  5. Step 5: Solve for x
    x = 42,670,786.28/7,503.84
  6. Step 6: Final answer
    x = 5,686.53

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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.