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Finding the Fourth Proportional to 16,670.25, 25,005.74 and 4,358.25

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Solution

The fourth proportional to 16,670.25, 25,005.74 and 4,358.25 is: 6,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.25 : 25,005.74 = 4,358.25 : x
  2. Step 2: Convert to fraction form
    16,670.25/25,005.74 = 4,358.25/x
  3. Step 3: Cross multiply
    16,670.25x = 25,005.74 × 4,358.25
  4. Step 4: Simplify right side
    16,670.25x = 108,981,244.56
  5. Step 5: Solve for x
    x = 108,981,244.56/16,670.25
  6. Step 6: Final answer
    x = 6,537.47

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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.