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Finding the Fourth Proportional to 27,166.84, 40,751.04 and 12,368.12

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Solution

The fourth proportional to 27,166.84, 40,751.04 and 12,368.12 is: 18,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,166.84 : 40,751.04 = 12,368.12 : x
  2. Step 2: Convert to fraction form
    27,166.84/40,751.04 = 12,368.12/x
  3. Step 3: Cross multiply
    27,166.84x = 40,751.04 × 12,368.12
  4. Step 4: Simplify right side
    27,166.84x = 504,013,752.84
  5. Step 5: Solve for x
    x = 504,013,752.84/27,166.84
  6. Step 6: Final answer
    x = 18,552.54

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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.