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Finding the Fourth Proportional to 26,980.61, 40,489.16 and 9,450.59

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Solution

The fourth proportional to 26,980.61, 40,489.16 and 9,450.59 is: 14,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,980.61 : 40,489.16 = 9,450.59 : x
  2. Step 2: Convert to fraction form
    26,980.61/40,489.16 = 9,450.59/x
  3. Step 3: Cross multiply
    26,980.61x = 40,489.16 × 9,450.59
  4. Step 4: Simplify right side
    26,980.61x = 382,646,200.91
  5. Step 5: Solve for x
    x = 382,646,200.91/26,980.61
  6. Step 6: Final answer
    x = 14,182.27

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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.