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Finding the Fourth Proportional to 30,076.92, 45,101.46 and 16,929.29

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Solution

The fourth proportional to 30,076.92, 45,101.46 and 16,929.29 is: 25,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,076.92 : 45,101.46 = 16,929.29 : x
  2. Step 2: Convert to fraction form
    30,076.92/45,101.46 = 16,929.29/x
  3. Step 3: Cross multiply
    30,076.92x = 45,101.46 × 16,929.29
  4. Step 4: Simplify right side
    30,076.92x = 763,535,523.08
  5. Step 5: Solve for x
    x = 763,535,523.08/30,076.92
  6. Step 6: Final answer
    x = 25,386.09

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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.