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Finding the Fourth Proportional to 19,626.99, 27,084.99 and 10,674.30

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Solution

The fourth proportional to 19,626.99, 27,084.99 and 10,674.30 is: 14,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,626.99 : 27,084.99 = 10,674.30 : x
  2. Step 2: Convert to fraction form
    19,626.99/27,084.99 = 10,674.30/x
  3. Step 3: Cross multiply
    19,626.99x = 27,084.99 × 10,674.30
  4. Step 4: Simplify right side
    19,626.99x = 289,113,323.10
  5. Step 5: Solve for x
    x = 289,113,323.10/19,626.99
  6. Step 6: Final answer
    x = 14,730.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.