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Finding the Fourth Proportional to 13,475.41, 18,595.36 and 7,506.85

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Solution

The fourth proportional to 13,475.41, 18,595.36 and 7,506.85 is: 10,359.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.41 : 18,595.36 = 7,506.85 : x
  2. Step 2: Convert to fraction form
    13,475.41/18,595.36 = 7,506.85/x
  3. Step 3: Cross multiply
    13,475.41x = 18,595.36 × 7,506.85
  4. Step 4: Simplify right side
    13,475.41x = 139,592,578.22
  5. Step 5: Solve for x
    x = 139,592,578.22/13,475.41
  6. Step 6: Final answer
    x = 10,359.06

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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.