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Finding the Fourth Proportional to 35,301.40, 52,865.70 and 16,811.80

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Solution

The fourth proportional to 35,301.40, 52,865.70 and 16,811.80 is: 25,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,301.40 : 52,865.70 = 16,811.80 : x
  2. Step 2: Convert to fraction form
    35,301.40/52,865.70 = 16,811.80/x
  3. Step 3: Cross multiply
    35,301.40x = 52,865.70 × 16,811.80
  4. Step 4: Simplify right side
    35,301.40x = 888,767,575.26
  5. Step 5: Solve for x
    x = 888,767,575.26/35,301.40
  6. Step 6: Final answer
    x = 25,176.55

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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.