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Finding the Fourth Proportional to 36,885, 55,326.96 and 17,152.50

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Solution

The fourth proportional to 36,885, 55,326.96 and 17,152.50 is: 25,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,885 : 55,326.96 = 17,152.50 : x
  2. Step 2: Convert to fraction form
    36,885/55,326.96 = 17,152.50/x
  3. Step 3: Cross multiply
    36,885x = 55,326.96 × 17,152.50
  4. Step 4: Simplify right side
    36,885x = 948,995,681.40
  5. Step 5: Solve for x
    x = 948,995,681.40/36,885
  6. Step 6: Final answer
    x = 25,728.50

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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.