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Finding the Fourth Proportional to 17,958.60, 26,937.90 and 6,270.30

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Solution

The fourth proportional to 17,958.60, 26,937.90 and 6,270.30 is: 9,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,958.60 : 26,937.90 = 6,270.30 : x
  2. Step 2: Convert to fraction form
    17,958.60/26,937.90 = 6,270.30/x
  3. Step 3: Cross multiply
    17,958.60x = 26,937.90 × 6,270.30
  4. Step 4: Simplify right side
    17,958.60x = 168,908,714.37
  5. Step 5: Solve for x
    x = 168,908,714.37/17,958.60
  6. Step 6: Final answer
    x = 9,405.45

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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.