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Finding the Fourth Proportional to 16,588.10, 22,890.81 and 9,034.40

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Solution

The fourth proportional to 16,588.10, 22,890.81 and 9,034.40 is: 12,467.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,588.10 : 22,890.81 = 9,034.40 : x
  2. Step 2: Convert to fraction form
    16,588.10/22,890.81 = 9,034.40/x
  3. Step 3: Cross multiply
    16,588.10x = 22,890.81 × 9,034.40
  4. Step 4: Simplify right side
    16,588.10x = 206,804,733.86
  5. Step 5: Solve for x
    x = 206,804,733.86/16,588.10
  6. Step 6: Final answer
    x = 12,467.05

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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.