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Finding the Fourth Proportional to 9,851.99, 13,595.63 and 5,375.65

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Solution

The fourth proportional to 9,851.99, 13,595.63 and 5,375.65 is: 7,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,851.99 : 13,595.63 = 5,375.65 : x
  2. Step 2: Convert to fraction form
    9,851.99/13,595.63 = 5,375.65/x
  3. Step 3: Cross multiply
    9,851.99x = 13,595.63 × 5,375.65
  4. Step 4: Simplify right side
    9,851.99x = 73,085,327.86
  5. Step 5: Solve for x
    x = 73,085,327.86/9,851.99
  6. Step 6: Final answer
    x = 7,418.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.