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Finding the Fourth Proportional to 35,684.85, 53,487.16 and 16,949.55

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Solution

The fourth proportional to 35,684.85, 53,487.16 and 16,949.55 is: 25,405.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,684.85 : 53,487.16 = 16,949.55 : x
  2. Step 2: Convert to fraction form
    35,684.85/53,487.16 = 16,949.55/x
  3. Step 3: Cross multiply
    35,684.85x = 53,487.16 × 16,949.55
  4. Step 4: Simplify right side
    35,684.85x = 906,583,292.78
  5. Step 5: Solve for x
    x = 906,583,292.78/35,684.85
  6. Step 6: Final answer
    x = 25,405.27

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1.5x scale

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.