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Finding the Fourth Proportional to 7,590.94, 11,393.70 and 3,698.08

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Solution

The fourth proportional to 7,590.94, 11,393.70 and 3,698.08 is: 5,550.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.94 : 11,393.70 = 3,698.08 : x
  2. Step 2: Convert to fraction form
    7,590.94/11,393.70 = 3,698.08/x
  3. Step 3: Cross multiply
    7,590.94x = 11,393.70 × 3,698.08
  4. Step 4: Simplify right side
    7,590.94x = 42,134,819.39
  5. Step 5: Solve for x
    x = 42,134,819.39/7,590.94
  6. Step 6: Final answer
    x = 5,550.67

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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.