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Finding the Fourth Proportional to 27,653.87, 41,475.23 and 7,927.13

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Solution

The fourth proportional to 27,653.87, 41,475.23 and 7,927.13 is: 11,889.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,653.87 : 41,475.23 = 7,927.13 : x
  2. Step 2: Convert to fraction form
    27,653.87/41,475.23 = 7,927.13/x
  3. Step 3: Cross multiply
    27,653.87x = 41,475.23 × 7,927.13
  4. Step 4: Simplify right side
    27,653.87x = 328,779,500.35
  5. Step 5: Solve for x
    x = 328,779,500.35/27,653.87
  6. Step 6: Final answer
    x = 11,889.10

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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.