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Finding the Fourth Proportional to 38,366.88, 52,942.50 and 28,300.74

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Solution

The fourth proportional to 38,366.88, 52,942.50 and 28,300.74 is: 39,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,366.88 : 52,942.50 = 28,300.74 : x
  2. Step 2: Convert to fraction form
    38,366.88/52,942.50 = 28,300.74/x
  3. Step 3: Cross multiply
    38,366.88x = 52,942.50 × 28,300.74
  4. Step 4: Simplify right side
    38,366.88x = 1,498,311,927.45
  5. Step 5: Solve for x
    x = 1,498,311,927.45/38,366.88
  6. Step 6: Final answer
    x = 39,052.22

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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.