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Finding the Fourth Proportional to 4,670.81, 7,009.80 and 3,487.80

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Solution

The fourth proportional to 4,670.81, 7,009.80 and 3,487.80 is: 5,234.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,670.81 : 7,009.80 = 3,487.80 : x
  2. Step 2: Convert to fraction form
    4,670.81/7,009.80 = 3,487.80/x
  3. Step 3: Cross multiply
    4,670.81x = 7,009.80 × 3,487.80
  4. Step 4: Simplify right side
    4,670.81x = 24,448,780.44
  5. Step 5: Solve for x
    x = 24,448,780.44/4,670.81
  6. Step 6: Final answer
    x = 5,234.38

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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.