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Finding the Fourth Proportional to 17,075.80, 25,613.70 and 16,419.70

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Solution

The fourth proportional to 17,075.80, 25,613.70 and 16,419.70 is: 24,629.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,075.80 : 25,613.70 = 16,419.70 : x
  2. Step 2: Convert to fraction form
    17,075.80/25,613.70 = 16,419.70/x
  3. Step 3: Cross multiply
    17,075.80x = 25,613.70 × 16,419.70
  4. Step 4: Simplify right side
    17,075.80x = 420,569,269.89
  5. Step 5: Solve for x
    x = 420,569,269.89/17,075.80
  6. Step 6: Final answer
    x = 24,629.55

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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.