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Finding the Fourth Proportional to 17,369.60, 26,064.06 and 8,485.04

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Solution

The fourth proportional to 17,369.60, 26,064.06 and 8,485.04 is: 12,732.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,369.60 : 26,064.06 = 8,485.04 : x
  2. Step 2: Convert to fraction form
    17,369.60/26,064.06 = 8,485.04/x
  3. Step 3: Cross multiply
    17,369.60x = 26,064.06 × 8,485.04
  4. Step 4: Simplify right side
    17,369.60x = 221,154,591.66
  5. Step 5: Solve for x
    x = 221,154,591.66/17,369.60
  6. Step 6: Final answer
    x = 12,732.28

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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.