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Finding the Fourth Proportional to 9,994.68, 14,999.70 and 3,759.30

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Solution

The fourth proportional to 9,994.68, 14,999.70 and 3,759.30 is: 5,641.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994.68 : 14,999.70 = 3,759.30 : x
  2. Step 2: Convert to fraction form
    9,994.68/14,999.70 = 3,759.30/x
  3. Step 3: Cross multiply
    9,994.68x = 14,999.70 × 3,759.30
  4. Step 4: Simplify right side
    9,994.68x = 56,388,372.21
  5. Step 5: Solve for x
    x = 56,388,372.21/9,994.68
  6. Step 6: Final answer
    x = 5,641.84

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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.