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Finding the Fourth Proportional to 36,705.80, 51,491.80 and 36,705.80

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Solution

The fourth proportional to 36,705.80, 51,491.80 and 36,705.80 is: 51,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,705.80 : 51,491.80 = 36,705.80 : x
  2. Step 2: Convert to fraction form
    36,705.80/51,491.80 = 36,705.80/x
  3. Step 3: Cross multiply
    36,705.80x = 51,491.80 × 36,705.80
  4. Step 4: Simplify right side
    36,705.80x = 1,890,047,712.44
  5. Step 5: Solve for x
    x = 1,890,047,712.44/36,705.80
  6. Step 6: Final answer
    x = 51,491.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.