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Finding the Fourth Proportional to 50,574.77, 75,871.89 and 19,407.59

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Solution

The fourth proportional to 50,574.77, 75,871.89 and 19,407.59 is: 29,115.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,574.77 : 75,871.89 = 19,407.59 : x
  2. Step 2: Convert to fraction form
    50,574.77/75,871.89 = 19,407.59/x
  3. Step 3: Cross multiply
    50,574.77x = 75,871.89 × 19,407.59
  4. Step 4: Simplify right side
    50,574.77x = 1,472,490,533.65
  5. Step 5: Solve for x
    x = 1,472,490,533.65/50,574.77
  6. Step 6: Final answer
    x = 29,115.12

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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.