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Finding the Fourth Proportional to 16,808.65, 25,213.10 and 6,281.05

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Solution

The fourth proportional to 16,808.65, 25,213.10 and 6,281.05 is: 9,421.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,808.65 : 25,213.10 = 6,281.05 : x
  2. Step 2: Convert to fraction form
    16,808.65/25,213.10 = 6,281.05/x
  3. Step 3: Cross multiply
    16,808.65x = 25,213.10 × 6,281.05
  4. Step 4: Simplify right side
    16,808.65x = 158,364,741.76
  5. Step 5: Solve for x
    x = 158,364,741.76/16,808.65
  6. Step 6: Final answer
    x = 9,421.62

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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.