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Finding the Fourth Proportional to 50,458.68, 75,661.68 and 18,842.72

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Solution

The fourth proportional to 50,458.68, 75,661.68 and 18,842.72 is: 28,254.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,458.68 : 75,661.68 = 18,842.72 : x
  2. Step 2: Convert to fraction form
    50,458.68/75,661.68 = 18,842.72/x
  3. Step 3: Cross multiply
    50,458.68x = 75,661.68 × 18,842.72
  4. Step 4: Simplify right side
    50,458.68x = 1,425,671,850.97
  5. Step 5: Solve for x
    x = 1,425,671,850.97/50,458.68
  6. Step 6: Final answer
    x = 28,254.24

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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.