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Finding the Fourth Proportional to 32,998.49, 45,534.51 and 20,252.21

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Solution

The fourth proportional to 32,998.49, 45,534.51 and 20,252.21 is: 27,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,998.49 : 45,534.51 = 20,252.21 : x
  2. Step 2: Convert to fraction form
    32,998.49/45,534.51 = 20,252.21/x
  3. Step 3: Cross multiply
    32,998.49x = 45,534.51 × 20,252.21
  4. Step 4: Simplify right side
    32,998.49x = 922,174,458.77
  5. Step 5: Solve for x
    x = 922,174,458.77/32,998.49
  6. Step 6: Final answer
    x = 27,945.96

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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.