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Finding the Fourth Proportional to 50,973.89, 70,319.56 and 35,874.93

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Solution

The fourth proportional to 50,973.89, 70,319.56 and 35,874.93 is: 49,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,973.89 : 70,319.56 = 35,874.93 : x
  2. Step 2: Convert to fraction form
    50,973.89/70,319.56 = 35,874.93/x
  3. Step 3: Cross multiply
    50,973.89x = 70,319.56 × 35,874.93
  4. Step 4: Simplify right side
    50,973.89x = 2,522,709,113.26
  5. Step 5: Solve for x
    x = 2,522,709,113.26/50,973.89
  6. Step 6: Final answer
    x = 49,490.22

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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.