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Finding the Fourth Proportional to 32,553.40, 44,918.13 and 18,405.94

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Solution

The fourth proportional to 32,553.40, 44,918.13 and 18,405.94 is: 25,397.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,553.40 : 44,918.13 = 18,405.94 : x
  2. Step 2: Convert to fraction form
    32,553.40/44,918.13 = 18,405.94/x
  3. Step 3: Cross multiply
    32,553.40x = 44,918.13 × 18,405.94
  4. Step 4: Simplify right side
    32,553.40x = 826,760,405.69
  5. Step 5: Solve for x
    x = 826,760,405.69/32,553.40
  6. Step 6: Final answer
    x = 25,397.05

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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.