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Finding the Fourth Proportional to 14,554.82, 21,832.36 and 7,977.41

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Solution

The fourth proportional to 14,554.82, 21,832.36 and 7,977.41 is: 11,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,554.82 : 21,832.36 = 7,977.41 : x
  2. Step 2: Convert to fraction form
    14,554.82/21,832.36 = 7,977.41/x
  3. Step 3: Cross multiply
    14,554.82x = 21,832.36 × 7,977.41
  4. Step 4: Simplify right side
    14,554.82x = 174,165,686.99
  5. Step 5: Solve for x
    x = 174,165,686.99/14,554.82
  6. Step 6: Final answer
    x = 11,966.19

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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.