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Finding the Fourth Proportional to 50,959.36, 70,320.78 and 28,296.97

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Solution

The fourth proportional to 50,959.36, 70,320.78 and 28,296.97 is: 39,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,959.36 : 70,320.78 = 28,296.97 : x
  2. Step 2: Convert to fraction form
    50,959.36/70,320.78 = 28,296.97/x
  3. Step 3: Cross multiply
    50,959.36x = 70,320.78 × 28,296.97
  4. Step 4: Simplify right side
    50,959.36x = 1,989,865,002.04
  5. Step 5: Solve for x
    x = 1,989,865,002.04/50,959.36
  6. Step 6: Final answer
    x = 39,048.08

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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.