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Finding the Fourth Proportional to 27,315.57, 40,968.57 and 7,595.66

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Solution

The fourth proportional to 27,315.57, 40,968.57 and 7,595.66 is: 11,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.57 : 40,968.57 = 7,595.66 : x
  2. Step 2: Convert to fraction form
    27,315.57/40,968.57 = 7,595.66/x
  3. Step 3: Cross multiply
    27,315.57x = 40,968.57 × 7,595.66
  4. Step 4: Simplify right side
    27,315.57x = 311,183,328.41
  5. Step 5: Solve for x
    x = 311,183,328.41/27,315.57
  6. Step 6: Final answer
    x = 11,392.16

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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.