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Finding the Fourth Proportional to 27,165.49, 40,754.01 and 8,445.07

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Solution

The fourth proportional to 27,165.49, 40,754.01 and 8,445.07 is: 12,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,165.49 : 40,754.01 = 8,445.07 : x
  2. Step 2: Convert to fraction form
    27,165.49/40,754.01 = 8,445.07/x
  3. Step 3: Cross multiply
    27,165.49x = 40,754.01 × 8,445.07
  4. Step 4: Simplify right side
    27,165.49x = 344,170,467.23
  5. Step 5: Solve for x
    x = 344,170,467.23/27,165.49
  6. Step 6: Final answer
    x = 12,669.40

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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.