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Finding the Fourth Proportional to 12,033.65, 18,045.86 and 4,134.69

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Solution

The fourth proportional to 12,033.65, 18,045.86 and 4,134.69 is: 6,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,033.65 : 18,045.86 = 4,134.69 : x
  2. Step 2: Convert to fraction form
    12,033.65/18,045.86 = 4,134.69/x
  3. Step 3: Cross multiply
    12,033.65x = 18,045.86 × 4,134.69
  4. Step 4: Simplify right side
    12,033.65x = 74,614,016.21
  5. Step 5: Solve for x
    x = 74,614,016.21/12,033.65
  6. Step 6: Final answer
    x = 6,200.45

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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.