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Finding the Fourth Proportional to 12,208.93, 18,300.94 and 4,810.39

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Solution

The fourth proportional to 12,208.93, 18,300.94 and 4,810.39 is: 7,210.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,208.93 : 18,300.94 = 4,810.39 : x
  2. Step 2: Convert to fraction form
    12,208.93/18,300.94 = 4,810.39/x
  3. Step 3: Cross multiply
    12,208.93x = 18,300.94 × 4,810.39
  4. Step 4: Simplify right side
    12,208.93x = 88,034,600.99
  5. Step 5: Solve for x
    x = 88,034,600.99/12,208.93
  6. Step 6: Final answer
    x = 7,210.67

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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.