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Finding the Fourth Proportional to 12,048.60, 16,630.14 and 7,336.84

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Solution

The fourth proportional to 12,048.60, 16,630.14 and 7,336.84 is: 10,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.60 : 16,630.14 = 7,336.84 : x
  2. Step 2: Convert to fraction form
    12,048.60/16,630.14 = 7,336.84/x
  3. Step 3: Cross multiply
    12,048.60x = 16,630.14 × 7,336.84
  4. Step 4: Simplify right side
    12,048.60x = 122,012,676.36
  5. Step 5: Solve for x
    x = 122,012,676.36/12,048.60
  6. Step 6: Final answer
    x = 10,126.71

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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.