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Finding the Fourth Proportional to 16,687.16, 25,030.64 and 6,696.42

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Solution

The fourth proportional to 16,687.16, 25,030.64 and 6,696.42 is: 10,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.16 : 25,030.64 = 6,696.42 : x
  2. Step 2: Convert to fraction form
    16,687.16/25,030.64 = 6,696.42/x
  3. Step 3: Cross multiply
    16,687.16x = 25,030.64 × 6,696.42
  4. Step 4: Simplify right side
    16,687.16x = 167,615,695.05
  5. Step 5: Solve for x
    x = 167,615,695.05/16,687.16
  6. Step 6: Final answer
    x = 10,044.59

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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.