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Finding the Fourth Proportional to 36,479.46, 54,719.19 and 8,777.46

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Solution

The fourth proportional to 36,479.46, 54,719.19 and 8,777.46 is: 13,166.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,479.46 : 54,719.19 = 8,777.46 : x
  2. Step 2: Convert to fraction form
    36,479.46/54,719.19 = 8,777.46/x
  3. Step 3: Cross multiply
    36,479.46x = 54,719.19 × 8,777.46
  4. Step 4: Simplify right side
    36,479.46x = 480,295,501.46
  5. Step 5: Solve for x
    x = 480,295,501.46/36,479.46
  6. Step 6: Final answer
    x = 13,166.19

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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.