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Finding the Fourth Proportional to 50,570.65, 69,773.11 and 30,417.45

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Solution

The fourth proportional to 50,570.65, 69,773.11 and 30,417.45 is: 41,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,570.65 : 69,773.11 = 30,417.45 : x
  2. Step 2: Convert to fraction form
    50,570.65/69,773.11 = 30,417.45/x
  3. Step 3: Cross multiply
    50,570.65x = 69,773.11 × 30,417.45
  4. Step 4: Simplify right side
    50,570.65x = 2,122,319,918.17
  5. Step 5: Solve for x
    x = 2,122,319,918.17/50,570.65
  6. Step 6: Final answer
    x = 41,967.42

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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.