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Finding the Fourth Proportional to 30,008.52, 41,411.72 and 16,760.52

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Solution

The fourth proportional to 30,008.52, 41,411.72 and 16,760.52 is: 23,129.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,008.52 : 41,411.72 = 16,760.52 : x
  2. Step 2: Convert to fraction form
    30,008.52/41,411.72 = 16,760.52/x
  3. Step 3: Cross multiply
    30,008.52x = 41,411.72 × 16,760.52
  4. Step 4: Simplify right side
    30,008.52x = 694,081,961.29
  5. Step 5: Solve for x
    x = 694,081,961.29/30,008.52
  6. Step 6: Final answer
    x = 23,129.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.