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Finding the Fourth Proportional to 50,090.08, 69,129.12 and 27,734.08

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Solution

The fourth proportional to 50,090.08, 69,129.12 and 27,734.08 is: 38,275.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,090.08 : 69,129.12 = 27,734.08 : x
  2. Step 2: Convert to fraction form
    50,090.08/69,129.12 = 27,734.08/x
  3. Step 3: Cross multiply
    50,090.08x = 69,129.12 × 27,734.08
  4. Step 4: Simplify right side
    50,090.08x = 1,917,232,544.41
  5. Step 5: Solve for x
    x = 1,917,232,544.41/50,090.08
  6. Step 6: Final answer
    x = 38,275.69

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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.