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Finding the Fourth Proportional to 12,065.65, 18,073.83 and 6,209.95

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Solution

The fourth proportional to 12,065.65, 18,073.83 and 6,209.95 is: 9,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,065.65 : 18,073.83 = 6,209.95 : x
  2. Step 2: Convert to fraction form
    12,065.65/18,073.83 = 6,209.95/x
  3. Step 3: Cross multiply
    12,065.65x = 18,073.83 × 6,209.95
  4. Step 4: Simplify right side
    12,065.65x = 112,237,580.61
  5. Step 5: Solve for x
    x = 112,237,580.61/12,065.65
  6. Step 6: Final answer
    x = 9,302.24

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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.