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Finding the Fourth Proportional to 12,041.09, 16,615.92 and 6,734.99

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Solution

The fourth proportional to 12,041.09, 16,615.92 and 6,734.99 is: 9,293.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,041.09 : 16,615.92 = 6,734.99 : x
  2. Step 2: Convert to fraction form
    12,041.09/16,615.92 = 6,734.99/x
  3. Step 3: Cross multiply
    12,041.09x = 16,615.92 × 6,734.99
  4. Step 4: Simplify right side
    12,041.09x = 111,907,971.96
  5. Step 5: Solve for x
    x = 111,907,971.96/12,041.09
  6. Step 6: Final answer
    x = 9,293.84

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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.