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Finding the Fourth Proportional to 17,602.91, 26,385.90 and 8,235.03

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Solution

The fourth proportional to 17,602.91, 26,385.90 and 8,235.03 is: 12,343.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,602.91 : 26,385.90 = 8,235.03 : x
  2. Step 2: Convert to fraction form
    17,602.91/26,385.90 = 8,235.03/x
  3. Step 3: Cross multiply
    17,602.91x = 26,385.90 × 8,235.03
  4. Step 4: Simplify right side
    17,602.91x = 217,288,678.08
  5. Step 5: Solve for x
    x = 217,288,678.08/17,602.91
  6. Step 6: Final answer
    x = 12,343.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.