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Finding the Fourth Proportional to 27,230.40, 40,741.92 and 18,014.40

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Solution

The fourth proportional to 27,230.40, 40,741.92 and 18,014.40 is: 26,953.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,230.40 : 40,741.92 = 18,014.40 : x
  2. Step 2: Convert to fraction form
    27,230.40/40,741.92 = 18,014.40/x
  3. Step 3: Cross multiply
    27,230.40x = 40,741.92 × 18,014.40
  4. Step 4: Simplify right side
    27,230.40x = 733,941,243.65
  5. Step 5: Solve for x
    x = 733,941,243.65/27,230.40
  6. Step 6: Final answer
    x = 26,953.01

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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.