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Finding the Fourth Proportional to 15,466.32, 23,203.80 and 5,605.20

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Solution

The fourth proportional to 15,466.32, 23,203.80 and 5,605.20 is: 8,409.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,466.32 : 23,203.80 = 5,605.20 : x
  2. Step 2: Convert to fraction form
    15,466.32/23,203.80 = 5,605.20/x
  3. Step 3: Cross multiply
    15,466.32x = 23,203.80 × 5,605.20
  4. Step 4: Simplify right side
    15,466.32x = 130,061,939.76
  5. Step 5: Solve for x
    x = 130,061,939.76/15,466.32
  6. Step 6: Final answer
    x = 8,409.37

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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.