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Finding the Fourth Proportional to 13,565.61, 20,337.44 and 5,674.19

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Solution

The fourth proportional to 13,565.61, 20,337.44 and 5,674.19 is: 8,506.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.61 : 20,337.44 = 5,674.19 : x
  2. Step 2: Convert to fraction form
    13,565.61/20,337.44 = 5,674.19/x
  3. Step 3: Cross multiply
    13,565.61x = 20,337.44 × 5,674.19
  4. Step 4: Simplify right side
    13,565.61x = 115,398,498.67
  5. Step 5: Solve for x
    x = 115,398,498.67/13,565.61
  6. Step 6: Final answer
    x = 8,506.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.