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Finding the Fourth Proportional to 25,590.98, 38,392.08 and 7,823.11

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Solution

The fourth proportional to 25,590.98, 38,392.08 and 7,823.11 is: 11,736.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,590.98 : 38,392.08 = 7,823.11 : x
  2. Step 2: Convert to fraction form
    25,590.98/38,392.08 = 7,823.11/x
  3. Step 3: Cross multiply
    25,590.98x = 38,392.08 × 7,823.11
  4. Step 4: Simplify right side
    25,590.98x = 300,345,233.89
  5. Step 5: Solve for x
    x = 300,345,233.89/25,590.98
  6. Step 6: Final answer
    x = 11,736.37

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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.