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Finding the Fourth Proportional to 32,684.88, 49,028.94 and 19,621.20

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Solution

The fourth proportional to 32,684.88, 49,028.94 and 19,621.20 is: 29,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,684.88 : 49,028.94 = 19,621.20 : x
  2. Step 2: Convert to fraction form
    32,684.88/49,028.94 = 19,621.20/x
  3. Step 3: Cross multiply
    32,684.88x = 49,028.94 × 19,621.20
  4. Step 4: Simplify right side
    32,684.88x = 962,006,637.53
  5. Step 5: Solve for x
    x = 962,006,637.53/32,684.88
  6. Step 6: Final answer
    x = 29,432.77

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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.