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Finding the Fourth Proportional to 50,646.99, 75,978.69 and 15,586.64

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Solution

The fourth proportional to 50,646.99, 75,978.69 and 15,586.64 is: 23,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,646.99 : 75,978.69 = 15,586.64 : x
  2. Step 2: Convert to fraction form
    50,646.99/75,978.69 = 15,586.64/x
  3. Step 3: Cross multiply
    50,646.99x = 75,978.69 × 15,586.64
  4. Step 4: Simplify right side
    50,646.99x = 1,184,252,850.33
  5. Step 5: Solve for x
    x = 1,184,252,850.33/50,646.99
  6. Step 6: Final answer
    x = 23,382.49

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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.