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Finding the Fourth Proportional to 25,830.44, 38,752.16 and 7,362.44

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Solution

The fourth proportional to 25,830.44, 38,752.16 and 7,362.44 is: 11,045.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,830.44 : 38,752.16 = 7,362.44 : x
  2. Step 2: Convert to fraction form
    25,830.44/38,752.16 = 7,362.44/x
  3. Step 3: Cross multiply
    25,830.44x = 38,752.16 × 7,362.44
  4. Step 4: Simplify right side
    25,830.44x = 285,310,452.87
  5. Step 5: Solve for x
    x = 285,310,452.87/25,830.44
  6. Step 6: Final answer
    x = 11,045.51

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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.