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Finding the Fourth Proportional to 50,009.36, 75,034.72 and 21,914.80

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Solution

The fourth proportional to 50,009.36, 75,034.72 and 21,914.80 is: 32,881.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,009.36 : 75,034.72 = 21,914.80 : x
  2. Step 2: Convert to fraction form
    50,009.36/75,034.72 = 21,914.80/x
  3. Step 3: Cross multiply
    50,009.36x = 75,034.72 × 21,914.80
  4. Step 4: Simplify right side
    50,009.36x = 1,644,370,881.86
  5. Step 5: Solve for x
    x = 1,644,370,881.86/50,009.36
  6. Step 6: Final answer
    x = 32,881.26

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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.