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Finding the Fourth Proportional to 13,441.00, 18,547.52 and 7,472.30

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Solution

The fourth proportional to 13,441.00, 18,547.52 and 7,472.30 is: 10,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.00 : 18,547.52 = 7,472.30 : x
  2. Step 2: Convert to fraction form
    13,441.00/18,547.52 = 7,472.30/x
  3. Step 3: Cross multiply
    13,441.00x = 18,547.52 × 7,472.30
  4. Step 4: Simplify right side
    13,441.00x = 138,592,633.70
  5. Step 5: Solve for x
    x = 138,592,633.70/13,441.00
  6. Step 6: Final answer
    x = 10,311.19

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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.