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Finding the Fourth Proportional to 14,503.29, 20,014.71 and 8,837.29

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Solution

The fourth proportional to 14,503.29, 20,014.71 and 8,837.29 is: 12,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,503.29 : 20,014.71 = 8,837.29 : x
  2. Step 2: Convert to fraction form
    14,503.29/20,014.71 = 8,837.29/x
  3. Step 3: Cross multiply
    14,503.29x = 20,014.71 × 8,837.29
  4. Step 4: Simplify right side
    14,503.29x = 176,875,796.54
  5. Step 5: Solve for x
    x = 176,875,796.54/14,503.29
  6. Step 6: Final answer
    x = 12,195.56

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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.