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Finding the Fourth Proportional to 52,635.98, 72,639.44 and 28,764.19

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Solution

The fourth proportional to 52,635.98, 72,639.44 and 28,764.19 is: 39,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,635.98 : 72,639.44 = 28,764.19 : x
  2. Step 2: Convert to fraction form
    52,635.98/72,639.44 = 28,764.19/x
  3. Step 3: Cross multiply
    52,635.98x = 72,639.44 × 28,764.19
  4. Step 4: Simplify right side
    52,635.98x = 2,089,414,653.65
  5. Step 5: Solve for x
    x = 2,089,414,653.65/52,635.98
  6. Step 6: Final answer
    x = 39,695.56

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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.