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Finding the Fourth Proportional to 50,752.84, 70,039.06 and 28,093.40

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Solution

The fourth proportional to 50,752.84, 70,039.06 and 28,093.40 is: 38,768.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,752.84 : 70,039.06 = 28,093.40 : x
  2. Step 2: Convert to fraction form
    50,752.84/70,039.06 = 28,093.40/x
  3. Step 3: Cross multiply
    50,752.84x = 70,039.06 × 28,093.40
  4. Step 4: Simplify right side
    50,752.84x = 1,967,635,328.20
  5. Step 5: Solve for x
    x = 1,967,635,328.20/50,752.84
  6. Step 6: Final answer
    x = 38,768.97

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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.