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Finding the Fourth Proportional to 16,860.74, 25,283.00 and 7,968.65

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Solution

The fourth proportional to 16,860.74, 25,283.00 and 7,968.65 is: 11,949.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.74 : 25,283.00 = 7,968.65 : x
  2. Step 2: Convert to fraction form
    16,860.74/25,283.00 = 7,968.65/x
  3. Step 3: Cross multiply
    16,860.74x = 25,283.00 × 7,968.65
  4. Step 4: Simplify right side
    16,860.74x = 201,471,271.46
  5. Step 5: Solve for x
    x = 201,471,271.46/16,860.74
  6. Step 6: Final answer
    x = 11,949.14

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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.