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Finding the Fourth Proportional to 32,881.28, 45,373.84 and 18,541.60

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Solution

The fourth proportional to 32,881.28, 45,373.84 and 18,541.60 is: 25,586.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,881.28 : 45,373.84 = 18,541.60 : x
  2. Step 2: Convert to fraction form
    32,881.28/45,373.84 = 18,541.60/x
  3. Step 3: Cross multiply
    32,881.28x = 45,373.84 × 18,541.60
  4. Step 4: Simplify right side
    32,881.28x = 841,303,591.74
  5. Step 5: Solve for x
    x = 841,303,591.74/32,881.28
  6. Step 6: Final answer
    x = 25,586.10

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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.