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Finding the Fourth Proportional to 8,770.77, 13,133.21 and 7,007.67

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Solution

The fourth proportional to 8,770.77, 13,133.21 and 7,007.67 is: 10,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.77 : 13,133.21 = 7,007.67 : x
  2. Step 2: Convert to fraction form
    8,770.77/13,133.21 = 7,007.67/x
  3. Step 3: Cross multiply
    8,770.77x = 13,133.21 × 7,007.67
  4. Step 4: Simplify right side
    8,770.77x = 92,033,166.68
  5. Step 5: Solve for x
    x = 92,033,166.68/8,770.77
  6. Step 6: Final answer
    x = 10,493.17

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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.