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Finding the Fourth Proportional to 16,838.34, 25,254.79 and 7,953.65

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Solution

The fourth proportional to 16,838.34, 25,254.79 and 7,953.65 is: 11,929.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,838.34 : 25,254.79 = 7,953.65 : x
  2. Step 2: Convert to fraction form
    16,838.34/25,254.79 = 7,953.65/x
  3. Step 3: Cross multiply
    16,838.34x = 25,254.79 × 7,953.65
  4. Step 4: Simplify right side
    16,838.34x = 200,867,760.48
  5. Step 5: Solve for x
    x = 200,867,760.48/16,838.34
  6. Step 6: Final answer
    x = 11,929.19

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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.