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Finding the Fourth Proportional to 18,472.66, 25,492.31 and 10,514.89

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Solution

The fourth proportional to 18,472.66, 25,492.31 and 10,514.89 is: 14,510.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.66 : 25,492.31 = 10,514.89 : x
  2. Step 2: Convert to fraction form
    18,472.66/25,492.31 = 10,514.89/x
  3. Step 3: Cross multiply
    18,472.66x = 25,492.31 × 10,514.89
  4. Step 4: Simplify right side
    18,472.66x = 268,048,776.85
  5. Step 5: Solve for x
    x = 268,048,776.85/18,472.66
  6. Step 6: Final answer
    x = 14,510.56

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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.