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Finding the Fourth Proportional to 16,683.84, 25,034.27 and 7,918.83

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Solution

The fourth proportional to 16,683.84, 25,034.27 and 7,918.83 is: 11,882.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683.84 : 25,034.27 = 7,918.83 : x
  2. Step 2: Convert to fraction form
    16,683.84/25,034.27 = 7,918.83/x
  3. Step 3: Cross multiply
    16,683.84x = 25,034.27 × 7,918.83
  4. Step 4: Simplify right side
    16,683.84x = 198,242,088.71
  5. Step 5: Solve for x
    x = 198,242,088.71/16,683.84
  6. Step 6: Final answer
    x = 11,882.28

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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.