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Finding the Fourth Proportional to 25,393.70, 35,017.62 and 16,884.89

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Solution

The fourth proportional to 25,393.70, 35,017.62 and 16,884.89 is: 23,284.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,393.70 : 35,017.62 = 16,884.89 : x
  2. Step 2: Convert to fraction form
    25,393.70/35,017.62 = 16,884.89/x
  3. Step 3: Cross multiply
    25,393.70x = 35,017.62 × 16,884.89
  4. Step 4: Simplify right side
    25,393.70x = 591,268,554.67
  5. Step 5: Solve for x
    x = 591,268,554.67/25,393.70
  6. Step 6: Final answer
    x = 23,284.06

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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.