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Finding the Fourth Proportional to 15,775.42, 23,659.08 and 4,679.59

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Solution

The fourth proportional to 15,775.42, 23,659.08 and 4,679.59 is: 7,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,775.42 : 23,659.08 = 4,679.59 : x
  2. Step 2: Convert to fraction form
    15,775.42/23,659.08 = 4,679.59/x
  3. Step 3: Cross multiply
    15,775.42x = 23,659.08 × 4,679.59
  4. Step 4: Simplify right side
    15,775.42x = 110,714,794.18
  5. Step 5: Solve for x
    x = 110,714,794.18/15,775.42
  6. Step 6: Final answer
    x = 7,018.18

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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.