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Finding the Fourth Proportional to 50,172.48, 69,238.12 and 27,816.48

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Solution

The fourth proportional to 50,172.48, 69,238.12 and 27,816.48 is: 38,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,172.48 : 69,238.12 = 27,816.48 : x
  2. Step 2: Convert to fraction form
    50,172.48/69,238.12 = 27,816.48/x
  3. Step 3: Cross multiply
    50,172.48x = 69,238.12 × 27,816.48
  4. Step 4: Simplify right side
    50,172.48x = 1,925,960,780.22
  5. Step 5: Solve for x
    x = 1,925,960,780.22/50,172.48
  6. Step 6: Final answer
    x = 38,386.80

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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.