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Finding the Fourth Proportional to 28,797.15, 39,739.34 and 16,050.39

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Solution

The fourth proportional to 28,797.15, 39,739.34 and 16,050.39 is: 22,149.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,797.15 : 39,739.34 = 16,050.39 : x
  2. Step 2: Convert to fraction form
    28,797.15/39,739.34 = 16,050.39/x
  3. Step 3: Cross multiply
    28,797.15x = 39,739.34 × 16,050.39
  4. Step 4: Simplify right side
    28,797.15x = 637,831,825.09
  5. Step 5: Solve for x
    x = 637,831,825.09/28,797.15
  6. Step 6: Final answer
    x = 22,149.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.