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Finding the Fourth Proportional to 25,244.44, 37,866.75 and 7,714.20

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Solution

The fourth proportional to 25,244.44, 37,866.75 and 7,714.20 is: 11,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,244.44 : 37,866.75 = 7,714.20 : x
  2. Step 2: Convert to fraction form
    25,244.44/37,866.75 = 7,714.20/x
  3. Step 3: Cross multiply
    25,244.44x = 37,866.75 × 7,714.20
  4. Step 4: Simplify right side
    25,244.44x = 292,111,493.52
  5. Step 5: Solve for x
    x = 292,111,493.52/25,244.44
  6. Step 6: Final answer
    x = 11,571.32

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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.