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Finding the Fourth Proportional to 27,093.60, 40,640.40 and 11,541.60

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Solution

The fourth proportional to 27,093.60, 40,640.40 and 11,541.60 is: 17,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,093.60 : 40,640.40 = 11,541.60 : x
  2. Step 2: Convert to fraction form
    27,093.60/40,640.40 = 11,541.60/x
  3. Step 3: Cross multiply
    27,093.60x = 40,640.40 × 11,541.60
  4. Step 4: Simplify right side
    27,093.60x = 469,055,240.64
  5. Step 5: Solve for x
    x = 469,055,240.64/27,093.60
  6. Step 6: Final answer
    x = 17,312.40

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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.