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Finding the Fourth Proportional to 17,550.70, 26,303.65 and 7,150.70

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Solution

The fourth proportional to 17,550.70, 26,303.65 and 7,150.70 is: 10,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,550.70 : 26,303.65 = 7,150.70 : x
  2. Step 2: Convert to fraction form
    17,550.70/26,303.65 = 7,150.70/x
  3. Step 3: Cross multiply
    17,550.70x = 26,303.65 × 7,150.70
  4. Step 4: Simplify right side
    17,550.70x = 188,089,510.06
  5. Step 5: Solve for x
    x = 188,089,510.06/17,550.70
  6. Step 6: Final answer
    x = 10,716.92

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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.