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Finding the Fourth Proportional to 50,931.87, 70,290.44 and 29,717.97

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Solution

The fourth proportional to 50,931.87, 70,290.44 and 29,717.97 is: 41,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,931.87 : 70,290.44 = 29,717.97 : x
  2. Step 2: Convert to fraction form
    50,931.87/70,290.44 = 29,717.97/x
  3. Step 3: Cross multiply
    50,931.87x = 70,290.44 × 29,717.97
  4. Step 4: Simplify right side
    50,931.87x = 2,088,889,038.62
  5. Step 5: Solve for x
    x = 2,088,889,038.62/50,931.87
  6. Step 6: Final answer
    x = 41,013.40

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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.