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Finding the Fourth Proportional to 50,368.34, 75,586.80 and 20,786.06

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Solution

The fourth proportional to 50,368.34, 75,586.80 and 20,786.06 is: 31,193.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,368.34 : 75,586.80 = 20,786.06 : x
  2. Step 2: Convert to fraction form
    50,368.34/75,586.80 = 20,786.06/x
  3. Step 3: Cross multiply
    50,368.34x = 75,586.80 × 20,786.06
  4. Step 4: Simplify right side
    50,368.34x = 1,571,151,760.01
  5. Step 5: Solve for x
    x = 1,571,151,760.01/50,368.34
  6. Step 6: Final answer
    x = 31,193.24

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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.