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Finding the Fourth Proportional to 12,155.08, 16,804.04 and 12,044.40

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Solution

The fourth proportional to 12,155.08, 16,804.04 and 12,044.40 is: 16,651.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,155.08 : 16,804.04 = 12,044.40 : x
  2. Step 2: Convert to fraction form
    12,155.08/16,804.04 = 12,044.40/x
  3. Step 3: Cross multiply
    12,155.08x = 16,804.04 × 12,044.40
  4. Step 4: Simplify right side
    12,155.08x = 202,394,579.38
  5. Step 5: Solve for x
    x = 202,394,579.38/12,155.08
  6. Step 6: Final answer
    x = 16,651.03

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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.