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Finding the Fourth Proportional to 12,053.70, 16,634.63 and 6,748.40

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Solution

The fourth proportional to 12,053.70, 16,634.63 and 6,748.40 is: 9,313.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,053.70 : 16,634.63 = 6,748.40 : x
  2. Step 2: Convert to fraction form
    12,053.70/16,634.63 = 6,748.40/x
  3. Step 3: Cross multiply
    12,053.70x = 16,634.63 × 6,748.40
  4. Step 4: Simplify right side
    12,053.70x = 112,257,195.55
  5. Step 5: Solve for x
    x = 112,257,195.55/12,053.70
  6. Step 6: Final answer
    x = 9,313.09

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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.