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Finding the Fourth Proportional to 14,033, 19,365.96 and 7,745.78

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Solution

The fourth proportional to 14,033, 19,365.96 and 7,745.78 is: 10,689.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,033 : 19,365.96 = 7,745.78 : x
  2. Step 2: Convert to fraction form
    14,033/19,365.96 = 7,745.78/x
  3. Step 3: Cross multiply
    14,033x = 19,365.96 × 7,745.78
  4. Step 4: Simplify right side
    14,033x = 150,004,465.65
  5. Step 5: Solve for x
    x = 150,004,465.65/14,033
  6. Step 6: Final answer
    x = 10,689.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.