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Finding the Fourth Proportional to 6,114.40, 9,170.40 and 2,994.40

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Solution

The fourth proportional to 6,114.40, 9,170.40 and 2,994.40 is: 4,491.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114.40 : 9,170.40 = 2,994.40 : x
  2. Step 2: Convert to fraction form
    6,114.40/9,170.40 = 2,994.40/x
  3. Step 3: Cross multiply
    6,114.40x = 9,170.40 × 2,994.40
  4. Step 4: Simplify right side
    6,114.40x = 27,459,845.76
  5. Step 5: Solve for x
    x = 27,459,845.76/6,114.40
  6. Step 6: Final answer
    x = 4,491.01

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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.