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Finding the Fourth Proportional to 6,124.53, 9,189.81 and 2,429.40

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Solution

The fourth proportional to 6,124.53, 9,189.81 and 2,429.40 is: 3,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.53 : 9,189.81 = 2,429.40 : x
  2. Step 2: Convert to fraction form
    6,124.53/9,189.81 = 2,429.40/x
  3. Step 3: Cross multiply
    6,124.53x = 9,189.81 × 2,429.40
  4. Step 4: Simplify right side
    6,124.53x = 22,325,724.41
  5. Step 5: Solve for x
    x = 22,325,724.41/6,124.53
  6. Step 6: Final answer
    x = 3,645.30

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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.