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Finding the Fourth Proportional to 30,765.91, 46,168.31 and 17,643.91

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Solution

The fourth proportional to 30,765.91, 46,168.31 and 17,643.91 is: 26,477.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,765.91 : 46,168.31 = 17,643.91 : x
  2. Step 2: Convert to fraction form
    30,765.91/46,168.31 = 17,643.91/x
  3. Step 3: Cross multiply
    30,765.91x = 46,168.31 × 17,643.91
  4. Step 4: Simplify right side
    30,765.91x = 814,589,506.49
  5. Step 5: Solve for x
    x = 814,589,506.49/30,765.91
  6. Step 6: Final answer
    x = 26,477.02

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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.