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Finding the Fourth Proportional to 17,285.98, 25,907.10 and 11,043.58

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Solution

The fourth proportional to 17,285.98, 25,907.10 and 11,043.58 is: 16,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,285.98 : 25,907.10 = 11,043.58 : x
  2. Step 2: Convert to fraction form
    17,285.98/25,907.10 = 11,043.58/x
  3. Step 3: Cross multiply
    17,285.98x = 25,907.10 × 11,043.58
  4. Step 4: Simplify right side
    17,285.98x = 286,107,131.42
  5. Step 5: Solve for x
    x = 286,107,131.42/17,285.98
  6. Step 6: Final answer
    x = 16,551.40

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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.