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Finding the Fourth Proportional to 50,775.72, 76,158.72 and 17,491.20

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Solution

The fourth proportional to 50,775.72, 76,158.72 and 17,491.20 is: 26,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,775.72 : 76,158.72 = 17,491.20 : x
  2. Step 2: Convert to fraction form
    50,775.72/76,158.72 = 17,491.20/x
  3. Step 3: Cross multiply
    50,775.72x = 76,158.72 × 17,491.20
  4. Step 4: Simplify right side
    50,775.72x = 1,332,107,403.26
  5. Step 5: Solve for x
    x = 1,332,107,403.26/50,775.72
  6. Step 6: Final answer
    x = 26,235.13

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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.