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Finding the Fourth Proportional to 16,693.65, 25,040.42 and 4,214.67

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Solution

The fourth proportional to 16,693.65, 25,040.42 and 4,214.67 is: 6,321.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,693.65 : 25,040.42 = 4,214.67 : x
  2. Step 2: Convert to fraction form
    16,693.65/25,040.42 = 4,214.67/x
  3. Step 3: Cross multiply
    16,693.65x = 25,040.42 × 4,214.67
  4. Step 4: Simplify right side
    16,693.65x = 105,537,106.96
  5. Step 5: Solve for x
    x = 105,537,106.96/16,693.65
  6. Step 6: Final answer
    x = 6,321.99

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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.