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Finding the Fourth Proportional to 12,632.04, 18,900.54 and 8,744.04

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Solution

The fourth proportional to 12,632.04, 18,900.54 and 8,744.04 is: 13,083.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.04 : 18,900.54 = 8,744.04 : x
  2. Step 2: Convert to fraction form
    12,632.04/18,900.54 = 8,744.04/x
  3. Step 3: Cross multiply
    12,632.04x = 18,900.54 × 8,744.04
  4. Step 4: Simplify right side
    12,632.04x = 165,267,077.78
  5. Step 5: Solve for x
    x = 165,267,077.78/12,632.04
  6. Step 6: Final answer
    x = 13,083.17

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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.