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Finding the Fourth Proportional to 16,122.32, 22,248.80 and 9,048.74

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Solution

The fourth proportional to 16,122.32, 22,248.80 and 9,048.74 is: 12,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,122.32 : 22,248.80 = 9,048.74 : x
  2. Step 2: Convert to fraction form
    16,122.32/22,248.80 = 9,048.74/x
  3. Step 3: Cross multiply
    16,122.32x = 22,248.80 × 9,048.74
  4. Step 4: Simplify right side
    16,122.32x = 201,323,450.02
  5. Step 5: Solve for x
    x = 201,323,450.02/16,122.32
  6. Step 6: Final answer
    x = 12,487.25

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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.