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Finding the Fourth Proportional to 36,798.94, 55,215.36 and 28,466.44

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Solution

The fourth proportional to 36,798.94, 55,215.36 and 28,466.44 is: 42,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,798.94 : 55,215.36 = 28,466.44 : x
  2. Step 2: Convert to fraction form
    36,798.94/55,215.36 = 28,466.44/x
  3. Step 3: Cross multiply
    36,798.94x = 55,215.36 × 28,466.44
  4. Step 4: Simplify right side
    36,798.94x = 1,571,784,732.52
  5. Step 5: Solve for x
    x = 1,571,784,732.52/36,798.94
  6. Step 6: Final answer
    x = 42,712.77

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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.