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Finding the Fourth Proportional to 30,679.96, 46,054.11 and 15,884.91

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Solution

The fourth proportional to 30,679.96, 46,054.11 and 15,884.91 is: 23,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,679.96 : 46,054.11 = 15,884.91 : x
  2. Step 2: Convert to fraction form
    30,679.96/46,054.11 = 15,884.91/x
  3. Step 3: Cross multiply
    30,679.96x = 46,054.11 × 15,884.91
  4. Step 4: Simplify right side
    30,679.96x = 731,565,219.78
  5. Step 5: Solve for x
    x = 731,565,219.78/30,679.96
  6. Step 6: Final answer
    x = 23,845.05

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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.