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Finding the Fourth Proportional to 27,045.44, 40,563.48 and 7,319.39

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Solution

The fourth proportional to 27,045.44, 40,563.48 and 7,319.39 is: 10,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,045.44 : 40,563.48 = 7,319.39 : x
  2. Step 2: Convert to fraction form
    27,045.44/40,563.48 = 7,319.39/x
  3. Step 3: Cross multiply
    27,045.44x = 40,563.48 × 7,319.39
  4. Step 4: Simplify right side
    27,045.44x = 296,899,929.88
  5. Step 5: Solve for x
    x = 296,899,929.88/27,045.44
  6. Step 6: Final answer
    x = 10,977.82

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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.