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Finding the Fourth Proportional to 12,042.63, 16,619.48 and 6,737.13

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Solution

The fourth proportional to 12,042.63, 16,619.48 and 6,737.13 is: 9,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.63 : 16,619.48 = 6,737.13 : x
  2. Step 2: Convert to fraction form
    12,042.63/16,619.48 = 6,737.13/x
  3. Step 3: Cross multiply
    12,042.63x = 16,619.48 × 6,737.13
  4. Step 4: Simplify right side
    12,042.63x = 111,967,563.61
  5. Step 5: Solve for x
    x = 111,967,563.61/12,042.63
  6. Step 6: Final answer
    x = 9,297.60

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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.