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Finding the Fourth Proportional to 50,448.75, 75,662.80 and 18,852.98

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Solution

The fourth proportional to 50,448.75, 75,662.80 and 18,852.98 is: 28,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,448.75 : 75,662.80 = 18,852.98 : x
  2. Step 2: Convert to fraction form
    50,448.75/75,662.80 = 18,852.98/x
  3. Step 3: Cross multiply
    50,448.75x = 75,662.80 × 18,852.98
  4. Step 4: Simplify right side
    50,448.75x = 1,426,468,829.70
  5. Step 5: Solve for x
    x = 1,426,468,829.70/50,448.75
  6. Step 6: Final answer
    x = 28,275.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.