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Finding the Fourth Proportional to 32,794.80, 45,257.16 and 18,647.64

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Solution

The fourth proportional to 32,794.80, 45,257.16 and 18,647.64 is: 25,733.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,794.80 : 45,257.16 = 18,647.64 : x
  2. Step 2: Convert to fraction form
    32,794.80/45,257.16 = 18,647.64/x
  3. Step 3: Cross multiply
    32,794.80x = 45,257.16 × 18,647.64
  4. Step 4: Simplify right side
    32,794.80x = 843,939,227.10
  5. Step 5: Solve for x
    x = 843,939,227.10/32,794.80
  6. Step 6: Final answer
    x = 25,733.93

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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.