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Finding the Fourth Proportional to 50,703.88, 69,957.06 and 30,283.54

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Solution

The fourth proportional to 50,703.88, 69,957.06 and 30,283.54 is: 41,782.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,703.88 : 69,957.06 = 30,283.54 : x
  2. Step 2: Convert to fraction form
    50,703.88/69,957.06 = 30,283.54/x
  3. Step 3: Cross multiply
    50,703.88x = 69,957.06 × 30,283.54
  4. Step 4: Simplify right side
    50,703.88x = 2,118,547,424.79
  5. Step 5: Solve for x
    x = 2,118,547,424.79/50,703.88
  6. Step 6: Final answer
    x = 41,782.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.