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Finding the Fourth Proportional to 50,007.20, 75,010.64 and 16,719.64

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Solution

The fourth proportional to 50,007.20, 75,010.64 and 16,719.64 is: 25,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,007.20 : 75,010.64 = 16,719.64 : x
  2. Step 2: Convert to fraction form
    50,007.20/75,010.64 = 16,719.64/x
  3. Step 3: Cross multiply
    50,007.20x = 75,010.64 × 16,719.64
  4. Step 4: Simplify right side
    50,007.20x = 1,254,150,625.84
  5. Step 5: Solve for x
    x = 1,254,150,625.84/50,007.20
  6. Step 6: Final answer
    x = 25,079.40

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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.