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Finding the Fourth Proportional to 27,903.65, 41,851.80 and 12,317.63

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Solution

The fourth proportional to 27,903.65, 41,851.80 and 12,317.63 is: 18,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.65 : 41,851.80 = 12,317.63 : x
  2. Step 2: Convert to fraction form
    27,903.65/41,851.80 = 12,317.63/x
  3. Step 3: Cross multiply
    27,903.65x = 41,851.80 × 12,317.63
  4. Step 4: Simplify right side
    27,903.65x = 515,514,777.98
  5. Step 5: Solve for x
    x = 515,514,777.98/27,903.65
  6. Step 6: Final answer
    x = 18,474.82

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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.