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Finding the Fourth Proportional to 37,379.49, 51,583.70 and 20,612.49

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Solution

The fourth proportional to 37,379.49, 51,583.70 and 20,612.49 is: 28,445.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,379.49 : 51,583.70 = 20,612.49 : x
  2. Step 2: Convert to fraction form
    37,379.49/51,583.70 = 20,612.49/x
  3. Step 3: Cross multiply
    37,379.49x = 51,583.70 × 20,612.49
  4. Step 4: Simplify right side
    37,379.49x = 1,063,268,397.35
  5. Step 5: Solve for x
    x = 1,063,268,397.35/37,379.49
  6. Step 6: Final answer
    x = 28,445.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.