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Finding the Fourth Proportional to 32,705.89, 45,134.60 and 18,368.82

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Solution

The fourth proportional to 32,705.89, 45,134.60 and 18,368.82 is: 25,349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,705.89 : 45,134.60 = 18,368.82 : x
  2. Step 2: Convert to fraction form
    32,705.89/45,134.60 = 18,368.82/x
  3. Step 3: Cross multiply
    32,705.89x = 45,134.60 × 18,368.82
  4. Step 4: Simplify right side
    32,705.89x = 829,069,343.17
  5. Step 5: Solve for x
    x = 829,069,343.17/32,705.89
  6. Step 6: Final answer
    x = 25,349.24

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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.