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Finding the Fourth Proportional to 18,083.76, 24,953.97 and 10,124.29

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Solution

The fourth proportional to 18,083.76, 24,953.97 and 10,124.29 is: 13,970.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,083.76 : 24,953.97 = 10,124.29 : x
  2. Step 2: Convert to fraction form
    18,083.76/24,953.97 = 10,124.29/x
  3. Step 3: Cross multiply
    18,083.76x = 24,953.97 × 10,124.29
  4. Step 4: Simplify right side
    18,083.76x = 252,641,298.09
  5. Step 5: Solve for x
    x = 252,641,298.09/18,083.76
  6. Step 6: Final answer
    x = 13,970.62

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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.