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Finding the Fourth Proportional to 28,254.01, 42,405.62 and 11,626.04

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Solution

The fourth proportional to 28,254.01, 42,405.62 and 11,626.04 is: 17,449.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.01 : 42,405.62 = 11,626.04 : x
  2. Step 2: Convert to fraction form
    28,254.01/42,405.62 = 11,626.04/x
  3. Step 3: Cross multiply
    28,254.01x = 42,405.62 × 11,626.04
  4. Step 4: Simplify right side
    28,254.01x = 493,009,434.34
  5. Step 5: Solve for x
    x = 493,009,434.34/28,254.01
  6. Step 6: Final answer
    x = 17,449.18

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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.