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Finding the Fourth Proportional to 50,467.76, 75,703.73 and 18,874.65

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Solution

The fourth proportional to 50,467.76, 75,703.73 and 18,874.65 is: 28,312.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,467.76 : 75,703.73 = 18,874.65 : x
  2. Step 2: Convert to fraction form
    50,467.76/75,703.73 = 18,874.65/x
  3. Step 3: Cross multiply
    50,467.76x = 75,703.73 × 18,874.65
  4. Step 4: Simplify right side
    50,467.76x = 1,428,881,313.07
  5. Step 5: Solve for x
    x = 1,428,881,313.07/50,467.76
  6. Step 6: Final answer
    x = 28,312.76

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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.