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Finding the Fourth Proportional to 12,048.58, 16,627.04 and 6,743.40

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Solution

The fourth proportional to 12,048.58, 16,627.04 and 6,743.40 is: 9,305.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.58 : 16,627.04 = 6,743.40 : x
  2. Step 2: Convert to fraction form
    12,048.58/16,627.04 = 6,743.40/x
  3. Step 3: Cross multiply
    12,048.58x = 16,627.04 × 6,743.40
  4. Step 4: Simplify right side
    12,048.58x = 112,122,781.54
  5. Step 5: Solve for x
    x = 112,122,781.54/12,048.58
  6. Step 6: Final answer
    x = 9,305.89

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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.