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Finding the Fourth Proportional to 11,658.40, 16,051.44 and 10,863.52

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Solution

The fourth proportional to 11,658.40, 16,051.44 and 10,863.52 is: 14,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,658.40 : 16,051.44 = 10,863.52 : x
  2. Step 2: Convert to fraction form
    11,658.40/16,051.44 = 10,863.52/x
  3. Step 3: Cross multiply
    11,658.40x = 16,051.44 × 10,863.52
  4. Step 4: Simplify right side
    11,658.40x = 174,375,139.47
  5. Step 5: Solve for x
    x = 174,375,139.47/11,658.40
  6. Step 6: Final answer
    x = 14,957.04

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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.