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Finding the Fourth Proportional to 27,318.32, 40,977.52 and 7,596.88

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Solution

The fourth proportional to 27,318.32, 40,977.52 and 7,596.88 is: 11,395.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.32 : 40,977.52 = 7,596.88 : x
  2. Step 2: Convert to fraction form
    27,318.32/40,977.52 = 7,596.88/x
  3. Step 3: Cross multiply
    27,318.32x = 40,977.52 × 7,596.88
  4. Step 4: Simplify right side
    27,318.32x = 311,301,302.14
  5. Step 5: Solve for x
    x = 311,301,302.14/27,318.32
  6. Step 6: Final answer
    x = 11,395.33

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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.