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Finding the Fourth Proportional to 16,823.10, 25,234.65 and 15,510.90

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Solution

The fourth proportional to 16,823.10, 25,234.65 and 15,510.90 is: 23,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.10 : 25,234.65 = 15,510.90 : x
  2. Step 2: Convert to fraction form
    16,823.10/25,234.65 = 15,510.90/x
  3. Step 3: Cross multiply
    16,823.10x = 25,234.65 × 15,510.90
  4. Step 4: Simplify right side
    16,823.10x = 391,412,132.69
  5. Step 5: Solve for x
    x = 391,412,132.69/16,823.10
  6. Step 6: Final answer
    x = 23,266.35

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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.