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Finding the Fourth Proportional to 18,472.06, 25,491.09 and 10,514.10

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Solution

The fourth proportional to 18,472.06, 25,491.09 and 10,514.10 is: 14,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.06 : 25,491.09 = 10,514.10 : x
  2. Step 2: Convert to fraction form
    18,472.06/25,491.09 = 10,514.10/x
  3. Step 3: Cross multiply
    18,472.06x = 25,491.09 × 10,514.10
  4. Step 4: Simplify right side
    18,472.06x = 268,015,869.37
  5. Step 5: Solve for x
    x = 268,015,869.37/18,472.06
  6. Step 6: Final answer
    x = 14,509.26

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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.