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Finding the Fourth Proportional to 36,718.56, 55,078.56 and 10,423.44

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Solution

The fourth proportional to 36,718.56, 55,078.56 and 10,423.44 is: 15,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,718.56 : 55,078.56 = 10,423.44 : x
  2. Step 2: Convert to fraction form
    36,718.56/55,078.56 = 10,423.44/x
  3. Step 3: Cross multiply
    36,718.56x = 55,078.56 × 10,423.44
  4. Step 4: Simplify right side
    36,718.56x = 574,108,065.45
  5. Step 5: Solve for x
    x = 574,108,065.45/36,718.56
  6. Step 6: Final answer
    x = 15,635.36

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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.