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Finding the Fourth Proportional to 18,117.09, 24,999.30 and 10,565.91

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Solution

The fourth proportional to 18,117.09, 24,999.30 and 10,565.91 is: 14,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.09 : 24,999.30 = 10,565.91 : x
  2. Step 2: Convert to fraction form
    18,117.09/24,999.30 = 10,565.91/x
  3. Step 3: Cross multiply
    18,117.09x = 24,999.30 × 10,565.91
  4. Step 4: Simplify right side
    18,117.09x = 264,140,353.86
  5. Step 5: Solve for x
    x = 264,140,353.86/18,117.09
  6. Step 6: Final answer
    x = 14,579.62

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