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Finding the Fourth Proportional to 12,044.49, 16,620.95 and 6,739.32

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Solution

The fourth proportional to 12,044.49, 16,620.95 and 6,739.32 is: 9,300.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,044.49 : 16,620.95 = 6,739.32 : x
  2. Step 2: Convert to fraction form
    12,044.49/16,620.95 = 6,739.32/x
  3. Step 3: Cross multiply
    12,044.49x = 16,620.95 × 6,739.32
  4. Step 4: Simplify right side
    12,044.49x = 112,013,867.06
  5. Step 5: Solve for x
    x = 112,013,867.06/12,044.49
  6. Step 6: Final answer
    x = 9,300.01

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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.