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Finding the Fourth Proportional to 27,315.06, 40,972.64 and 7,593.72

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Solution

The fourth proportional to 27,315.06, 40,972.64 and 7,593.72 is: 11,390.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.06 : 40,972.64 = 7,593.72 : x
  2. Step 2: Convert to fraction form
    27,315.06/40,972.64 = 7,593.72/x
  3. Step 3: Cross multiply
    27,315.06x = 40,972.64 × 7,593.72
  4. Step 4: Simplify right side
    27,315.06x = 311,134,717.85
  5. Step 5: Solve for x
    x = 311,134,717.85/27,315.06
  6. Step 6: Final answer
    x = 11,390.59

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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.