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Finding the Fourth Proportional to 36,360.70, 54,518.70 and 14,148.21

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Solution

The fourth proportional to 36,360.70, 54,518.70 and 14,148.21 is: 21,213.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,360.70 : 54,518.70 = 14,148.21 : x
  2. Step 2: Convert to fraction form
    36,360.70/54,518.70 = 14,148.21/x
  3. Step 3: Cross multiply
    36,360.70x = 54,518.70 × 14,148.21
  4. Step 4: Simplify right side
    36,360.70x = 771,342,016.53
  5. Step 5: Solve for x
    x = 771,342,016.53/36,360.70
  6. Step 6: Final answer
    x = 21,213.62

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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.