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Finding the Fourth Proportional to 50,766.08, 70,059.48 and 28,410.08

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Solution

The fourth proportional to 50,766.08, 70,059.48 and 28,410.08 is: 39,207.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,766.08 : 70,059.48 = 28,410.08 : x
  2. Step 2: Convert to fraction form
    50,766.08/70,059.48 = 28,410.08/x
  3. Step 3: Cross multiply
    50,766.08x = 70,059.48 × 28,410.08
  4. Step 4: Simplify right side
    50,766.08x = 1,990,395,431.56
  5. Step 5: Solve for x
    x = 1,990,395,431.56/50,766.08
  6. Step 6: Final answer
    x = 39,207.19

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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.