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Finding the Fourth Proportional to 32,557.16, 44,931.11 and 18,218.35

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Solution

The fourth proportional to 32,557.16, 44,931.11 and 18,218.35 is: 25,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,557.16 : 44,931.11 = 18,218.35 : x
  2. Step 2: Convert to fraction form
    32,557.16/44,931.11 = 18,218.35/x
  3. Step 3: Cross multiply
    32,557.16x = 44,931.11 × 18,218.35
  4. Step 4: Simplify right side
    32,557.16x = 818,570,687.87
  5. Step 5: Solve for x
    x = 818,570,687.87/32,557.16
  6. Step 6: Final answer
    x = 25,142.57

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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.