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Finding the Fourth Proportional to 27,085.70, 40,594.72 and 13,043.11

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Solution

The fourth proportional to 27,085.70, 40,594.72 and 13,043.11 is: 19,548.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,085.70 : 40,594.72 = 13,043.11 : x
  2. Step 2: Convert to fraction form
    27,085.70/40,594.72 = 13,043.11/x
  3. Step 3: Cross multiply
    27,085.70x = 40,594.72 × 13,043.11
  4. Step 4: Simplify right side
    27,085.70x = 529,481,398.38
  5. Step 5: Solve for x
    x = 529,481,398.38/27,085.70
  6. Step 6: Final answer
    x = 19,548.37

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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.