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Finding the Fourth Proportional to 12,056.52, 16,638.12 and 6,751.68

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Solution

The fourth proportional to 12,056.52, 16,638.12 and 6,751.68 is: 9,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.52 : 16,638.12 = 6,751.68 : x
  2. Step 2: Convert to fraction form
    12,056.52/16,638.12 = 6,751.68/x
  3. Step 3: Cross multiply
    12,056.52x = 16,638.12 × 6,751.68
  4. Step 4: Simplify right side
    12,056.52x = 112,335,262.04
  5. Step 5: Solve for x
    x = 112,335,262.04/12,056.52
  6. Step 6: Final answer
    x = 9,317.39

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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.