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Finding the Fourth Proportional to 18,591.02, 27,886.52 and 4,740.02

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Solution

The fourth proportional to 18,591.02, 27,886.52 and 4,740.02 is: 7,110.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.02 : 27,886.52 = 4,740.02 : x
  2. Step 2: Convert to fraction form
    18,591.02/27,886.52 = 4,740.02/x
  3. Step 3: Cross multiply
    18,591.02x = 27,886.52 × 4,740.02
  4. Step 4: Simplify right side
    18,591.02x = 132,182,534.95
  5. Step 5: Solve for x
    x = 132,182,534.95/18,591.02
  6. Step 6: Final answer
    x = 7,110.02

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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.