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Finding the Fourth Proportional to 46,796.40, 70,234.20 and 18,736.20

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Solution

The fourth proportional to 46,796.40, 70,234.20 and 18,736.20 is: 28,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,796.40 : 70,234.20 = 18,736.20 : x
  2. Step 2: Convert to fraction form
    46,796.40/70,234.20 = 18,736.20/x
  3. Step 3: Cross multiply
    46,796.40x = 70,234.20 × 18,736.20
  4. Step 4: Simplify right side
    46,796.40x = 1,315,922,018.04
  5. Step 5: Solve for x
    x = 1,315,922,018.04/46,796.40
  6. Step 6: Final answer
    x = 28,120.15

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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.