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Finding the Fourth Proportional to 50,005.68, 75,025.80 and 18,849.84

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Solution

The fourth proportional to 50,005.68, 75,025.80 and 18,849.84 is: 28,281.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,005.68 : 75,025.80 = 18,849.84 : x
  2. Step 2: Convert to fraction form
    50,005.68/75,025.80 = 18,849.84/x
  3. Step 3: Cross multiply
    50,005.68x = 75,025.80 × 18,849.84
  4. Step 4: Simplify right side
    50,005.68x = 1,414,224,325.87
  5. Step 5: Solve for x
    x = 1,414,224,325.87/50,005.68
  6. Step 6: Final answer
    x = 28,281.27

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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.