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Finding the Fourth Proportional to 18,589.77, 25,652.30 and 10,630.71

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Solution

The fourth proportional to 18,589.77, 25,652.30 and 10,630.71 is: 14,669.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589.77 : 25,652.30 = 10,630.71 : x
  2. Step 2: Convert to fraction form
    18,589.77/25,652.30 = 10,630.71/x
  3. Step 3: Cross multiply
    18,589.77x = 25,652.30 × 10,630.71
  4. Step 4: Simplify right side
    18,589.77x = 272,702,108.98
  5. Step 5: Solve for x
    x = 272,702,108.98/18,589.77
  6. Step 6: Final answer
    x = 14,669.47

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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.