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Finding the Fourth Proportional to 18,597.80, 27,883.74 and 6,907.88

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Solution

The fourth proportional to 18,597.80, 27,883.74 and 6,907.88 is: 10,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.80 : 27,883.74 = 6,907.88 : x
  2. Step 2: Convert to fraction form
    18,597.80/27,883.74 = 6,907.88/x
  3. Step 3: Cross multiply
    18,597.80x = 27,883.74 × 6,907.88
  4. Step 4: Simplify right side
    18,597.80x = 192,617,529.87
  5. Step 5: Solve for x
    x = 192,617,529.87/18,597.80
  6. Step 6: Final answer
    x = 10,357.01

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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.