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Finding the Fourth Proportional to 49,466.80, 68,268.52 and 28,252.88

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Solution

The fourth proportional to 49,466.80, 68,268.52 and 28,252.88 is: 38,991.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,466.80 : 68,268.52 = 28,252.88 : x
  2. Step 2: Convert to fraction form
    49,466.80/68,268.52 = 28,252.88/x
  3. Step 3: Cross multiply
    49,466.80x = 68,268.52 × 28,252.88
  4. Step 4: Simplify right side
    49,466.80x = 1,928,782,303.34
  5. Step 5: Solve for x
    x = 1,928,782,303.34/49,466.80
  6. Step 6: Final answer
    x = 38,991.45

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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.