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Finding the Fourth Proportional to 16,212.90, 24,312.06 and 6,347.10

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Solution

The fourth proportional to 16,212.90, 24,312.06 and 6,347.10 is: 9,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,212.90 : 24,312.06 = 6,347.10 : x
  2. Step 2: Convert to fraction form
    16,212.90/24,312.06 = 6,347.10/x
  3. Step 3: Cross multiply
    16,212.90x = 24,312.06 × 6,347.10
  4. Step 4: Simplify right side
    16,212.90x = 154,311,076.03
  5. Step 5: Solve for x
    x = 154,311,076.03/16,212.90
  6. Step 6: Final answer
    x = 9,517.80

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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.