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Finding the Fourth Proportional to 50,389.61, 75,584.41 and 35,774.98

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Solution

The fourth proportional to 50,389.61, 75,584.41 and 35,774.98 is: 53,662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,389.61 : 75,584.41 = 35,774.98 : x
  2. Step 2: Convert to fraction form
    50,389.61/75,584.41 = 35,774.98/x
  3. Step 3: Cross multiply
    50,389.61x = 75,584.41 × 35,774.98
  4. Step 4: Simplify right side
    50,389.61x = 2,704,030,477.66
  5. Step 5: Solve for x
    x = 2,704,030,477.66/50,389.61
  6. Step 6: Final answer
    x = 53,662.47

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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.