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Finding the Fourth Proportional to 32,628.54, 48,959.01 and 12,921.24

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Solution

The fourth proportional to 32,628.54, 48,959.01 and 12,921.24 is: 19,388.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,628.54 : 48,959.01 = 12,921.24 : x
  2. Step 2: Convert to fraction form
    32,628.54/48,959.01 = 12,921.24/x
  3. Step 3: Cross multiply
    32,628.54x = 48,959.01 × 12,921.24
  4. Step 4: Simplify right side
    32,628.54x = 632,611,118.37
  5. Step 5: Solve for x
    x = 632,611,118.37/32,628.54
  6. Step 6: Final answer
    x = 19,388.28

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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.