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Finding the Fourth Proportional to 12,554.50, 17,325.24 and 6,965.50

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Solution

The fourth proportional to 12,554.50, 17,325.24 and 6,965.50 is: 9,612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.50 : 17,325.24 = 6,965.50 : x
  2. Step 2: Convert to fraction form
    12,554.50/17,325.24 = 6,965.50/x
  3. Step 3: Cross multiply
    12,554.50x = 17,325.24 × 6,965.50
  4. Step 4: Simplify right side
    12,554.50x = 120,678,959.22
  5. Step 5: Solve for x
    x = 120,678,959.22/12,554.50
  6. Step 6: Final answer
    x = 9,612.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.