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Finding the Fourth Proportional to 16,842.21, 25,230.50 and 10,252.05

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Solution

The fourth proportional to 16,842.21, 25,230.50 and 10,252.05 is: 15,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,842.21 : 25,230.50 = 10,252.05 : x
  2. Step 2: Convert to fraction form
    16,842.21/25,230.50 = 10,252.05/x
  3. Step 3: Cross multiply
    16,842.21x = 25,230.50 × 10,252.05
  4. Step 4: Simplify right side
    16,842.21x = 258,664,347.53
  5. Step 5: Solve for x
    x = 258,664,347.53/16,842.21
  6. Step 6: Final answer
    x = 15,358.10

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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.