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Finding the Fourth Proportional to 50,753.58, 70,038.42 and 28,093.50

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Solution

The fourth proportional to 50,753.58, 70,038.42 and 28,093.50 is: 38,768.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,753.58 : 70,038.42 = 28,093.50 : x
  2. Step 2: Convert to fraction form
    50,753.58/70,038.42 = 28,093.50/x
  3. Step 3: Cross multiply
    50,753.58x = 70,038.42 × 28,093.50
  4. Step 4: Simplify right side
    50,753.58x = 1,967,624,352.27
  5. Step 5: Solve for x
    x = 1,967,624,352.27/50,753.58
  6. Step 6: Final answer
    x = 38,768.19

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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.