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Finding the Fourth Proportional to 16,352.32, 22,565.28 and 8,900.32

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Solution

The fourth proportional to 16,352.32, 22,565.28 and 8,900.32 is: 12,281.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,352.32 : 22,565.28 = 8,900.32 : x
  2. Step 2: Convert to fraction form
    16,352.32/22,565.28 = 8,900.32/x
  3. Step 3: Cross multiply
    16,352.32x = 22,565.28 × 8,900.32
  4. Step 4: Simplify right side
    16,352.32x = 200,838,212.89
  5. Step 5: Solve for x
    x = 200,838,212.89/16,352.32
  6. Step 6: Final answer
    x = 12,281.94

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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.