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Finding the Fourth Proportional to 50,948.93, 70,317.90 and 29,728.15

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Solution

The fourth proportional to 50,948.93, 70,317.90 and 29,728.15 is: 41,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,948.93 : 70,317.90 = 29,728.15 : x
  2. Step 2: Convert to fraction form
    50,948.93/70,317.90 = 29,728.15/x
  3. Step 3: Cross multiply
    50,948.93x = 70,317.90 × 29,728.15
  4. Step 4: Simplify right side
    50,948.93x = 2,090,420,903.09
  5. Step 5: Solve for x
    x = 2,090,420,903.09/50,948.93
  6. Step 6: Final answer
    x = 41,029.73

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1.5x scale

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.