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Finding the Fourth Proportional to 11,641.52, 17,465.03 and 3,321.64

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Solution

The fourth proportional to 11,641.52, 17,465.03 and 3,321.64 is: 4,983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.52 : 17,465.03 = 3,321.64 : x
  2. Step 2: Convert to fraction form
    11,641.52/17,465.03 = 3,321.64/x
  3. Step 3: Cross multiply
    11,641.52x = 17,465.03 × 3,321.64
  4. Step 4: Simplify right side
    11,641.52x = 58,012,438.32
  5. Step 5: Solve for x
    x = 58,012,438.32/11,641.52
  6. Step 6: Final answer
    x = 4,983.24

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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.