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Finding the Fourth Proportional to 16,854.94, 25,282.79 and 4,375.45

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Solution

The fourth proportional to 16,854.94, 25,282.79 and 4,375.45 is: 6,563.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.94 : 25,282.79 = 4,375.45 : x
  2. Step 2: Convert to fraction form
    16,854.94/25,282.79 = 4,375.45/x
  3. Step 3: Cross multiply
    16,854.94x = 25,282.79 × 4,375.45
  4. Step 4: Simplify right side
    16,854.94x = 110,623,561.63
  5. Step 5: Solve for x
    x = 110,623,561.63/16,854.94
  6. Step 6: Final answer
    x = 6,563.27

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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.