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Finding the Fourth Proportional to 46,786.32, 70,179.48 and 13,511.16

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Solution

The fourth proportional to 46,786.32, 70,179.48 and 13,511.16 is: 20,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,786.32 : 70,179.48 = 13,511.16 : x
  2. Step 2: Convert to fraction form
    46,786.32/70,179.48 = 13,511.16/x
  3. Step 3: Cross multiply
    46,786.32x = 70,179.48 × 13,511.16
  4. Step 4: Simplify right side
    46,786.32x = 948,206,183.00
  5. Step 5: Solve for x
    x = 948,206,183.00/46,786.32
  6. Step 6: Final answer
    x = 20,266.74

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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.