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Finding the Fourth Proportional to 28,101.44, 42,102.84 and 25,050.80

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Solution

The fourth proportional to 28,101.44, 42,102.84 and 25,050.80 is: 37,532.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,101.44 : 42,102.84 = 25,050.80 : x
  2. Step 2: Convert to fraction form
    28,101.44/42,102.84 = 25,050.80/x
  3. Step 3: Cross multiply
    28,101.44x = 42,102.84 × 25,050.80
  4. Step 4: Simplify right side
    28,101.44x = 1,054,709,824.27
  5. Step 5: Solve for x
    x = 1,054,709,824.27/28,101.44
  6. Step 6: Final answer
    x = 37,532.23

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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.