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Finding the Fourth Proportional to 50,963.94, 70,330.41 and 28,302.99

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Solution

The fourth proportional to 50,963.94, 70,330.41 and 28,302.99 is: 39,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,963.94 : 70,330.41 = 28,302.99 : x
  2. Step 2: Convert to fraction form
    50,963.94/70,330.41 = 28,302.99/x
  3. Step 3: Cross multiply
    50,963.94x = 70,330.41 × 28,302.99
  4. Step 4: Simplify right side
    50,963.94x = 1,990,560,890.93
  5. Step 5: Solve for x
    x = 1,990,560,890.93/50,963.94
  6. Step 6: Final answer
    x = 39,058.22

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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.