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Finding the Fourth Proportional to 32,682.46, 45,111.32 and 21,353.68

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Solution

The fourth proportional to 32,682.46, 45,111.32 and 21,353.68 is: 29,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,682.46 : 45,111.32 = 21,353.68 : x
  2. Step 2: Convert to fraction form
    32,682.46/45,111.32 = 21,353.68/x
  3. Step 3: Cross multiply
    32,682.46x = 45,111.32 × 21,353.68
  4. Step 4: Simplify right side
    32,682.46x = 963,292,691.66
  5. Step 5: Solve for x
    x = 963,292,691.66/32,682.46
  6. Step 6: Final answer
    x = 29,474.30

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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.