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Finding the Fourth Proportional to 16,984.71, 25,477.07 and 5,298.84

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Solution

The fourth proportional to 16,984.71, 25,477.07 and 5,298.84 is: 7,948.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,984.71 : 25,477.07 = 5,298.84 : x
  2. Step 2: Convert to fraction form
    16,984.71/25,477.07 = 5,298.84/x
  3. Step 3: Cross multiply
    16,984.71x = 25,477.07 × 5,298.84
  4. Step 4: Simplify right side
    16,984.71x = 134,998,891.10
  5. Step 5: Solve for x
    x = 134,998,891.10/16,984.71
  6. Step 6: Final answer
    x = 7,948.26

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Similar ratio
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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.