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Finding the Fourth Proportional to 50,090.85, 75,089.84 and 18,483.48

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Solution

The fourth proportional to 50,090.85, 75,089.84 and 18,483.48 is: 27,708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,090.85 : 75,089.84 = 18,483.48 : x
  2. Step 2: Convert to fraction form
    50,090.85/75,089.84 = 18,483.48/x
  3. Step 3: Cross multiply
    50,090.85x = 75,089.84 × 18,483.48
  4. Step 4: Simplify right side
    50,090.85x = 1,387,921,463.43
  5. Step 5: Solve for x
    x = 1,387,921,463.43/50,090.85
  6. Step 6: Final answer
    x = 27,708.08

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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.