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Finding the Fourth Proportional to 27,321.84, 40,977.90 and 7,595.10

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Solution

The fourth proportional to 27,321.84, 40,977.90 and 7,595.10 is: 11,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,321.84 : 40,977.90 = 7,595.10 : x
  2. Step 2: Convert to fraction form
    27,321.84/40,977.90 = 7,595.10/x
  3. Step 3: Cross multiply
    27,321.84x = 40,977.90 × 7,595.10
  4. Step 4: Simplify right side
    27,321.84x = 311,231,248.29
  5. Step 5: Solve for x
    x = 311,231,248.29/27,321.84
  6. Step 6: Final answer
    x = 11,391.30

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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.