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Finding the Fourth Proportional to 32,628.64, 48,927.46 and 12,647.48

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Solution

The fourth proportional to 32,628.64, 48,927.46 and 12,647.48 is: 18,965.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,628.64 : 48,927.46 = 12,647.48 : x
  2. Step 2: Convert to fraction form
    32,628.64/48,927.46 = 12,647.48/x
  3. Step 3: Cross multiply
    32,628.64x = 48,927.46 × 12,647.48
  4. Step 4: Simplify right side
    32,628.64x = 618,809,071.80
  5. Step 5: Solve for x
    x = 618,809,071.80/32,628.64
  6. Step 6: Final answer
    x = 18,965.21

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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.