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Finding the Fourth Proportional to 18,804.36, 25,758.69 and 18,597

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Solution

The fourth proportional to 18,804.36, 25,758.69 and 18,597 is: 25,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804.36 : 25,758.69 = 18,597 : x
  2. Step 2: Convert to fraction form
    18,804.36/25,758.69 = 18,597/x
  3. Step 3: Cross multiply
    18,804.36x = 25,758.69 × 18,597
  4. Step 4: Simplify right side
    18,804.36x = 479,034,357.93
  5. Step 5: Solve for x
    x = 479,034,357.93/18,804.36
  6. Step 6: Final answer
    x = 25,474.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.