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Finding the Fourth Proportional to 30,751.68, 46,153.44 and 12,296.64

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Solution

The fourth proportional to 30,751.68, 46,153.44 and 12,296.64 is: 18,455.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,751.68 : 46,153.44 = 12,296.64 : x
  2. Step 2: Convert to fraction form
    30,751.68/46,153.44 = 12,296.64/x
  3. Step 3: Cross multiply
    30,751.68x = 46,153.44 × 12,296.64
  4. Step 4: Simplify right side
    30,751.68x = 567,532,236.44
  5. Step 5: Solve for x
    x = 567,532,236.44/30,751.68
  6. Step 6: Final answer
    x = 18,455.32

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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.