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Finding the Fourth Proportional to 23,690.40, 35,501.04 and 13,305.12

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Solution

The fourth proportional to 23,690.40, 35,501.04 and 13,305.12 is: 19,938.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,690.40 : 35,501.04 = 13,305.12 : x
  2. Step 2: Convert to fraction form
    23,690.40/35,501.04 = 13,305.12/x
  3. Step 3: Cross multiply
    23,690.40x = 35,501.04 × 13,305.12
  4. Step 4: Simplify right side
    23,690.40x = 472,345,597.32
  5. Step 5: Solve for x
    x = 472,345,597.32/23,690.40
  6. Step 6: Final answer
    x = 19,938.27

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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.