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Finding the Fourth Proportional to 32,631.16, 45,030.48 and 18,290.98

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Solution

The fourth proportional to 32,631.16, 45,030.48 and 18,290.98 is: 25,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,631.16 : 45,030.48 = 18,290.98 : x
  2. Step 2: Convert to fraction form
    32,631.16/45,030.48 = 18,290.98/x
  3. Step 3: Cross multiply
    32,631.16x = 45,030.48 × 18,290.98
  4. Step 4: Simplify right side
    32,631.16x = 823,651,609.07
  5. Step 5: Solve for x
    x = 823,651,609.07/32,631.16
  6. Step 6: Final answer
    x = 25,241.26

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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.