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Finding the Fourth Proportional to 27,477.70, 41,211.15 and 9,009.70

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Solution

The fourth proportional to 27,477.70, 41,211.15 and 9,009.70 is: 13,512.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,477.70 : 41,211.15 = 9,009.70 : x
  2. Step 2: Convert to fraction form
    27,477.70/41,211.15 = 9,009.70/x
  3. Step 3: Cross multiply
    27,477.70x = 41,211.15 × 9,009.70
  4. Step 4: Simplify right side
    27,477.70x = 371,300,098.16
  5. Step 5: Solve for x
    x = 371,300,098.16/27,477.70
  6. Step 6: Final answer
    x = 13,512.78

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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.