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Finding the Fourth Proportional to 11,484.60, 15,848.34 and 7,015.83

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Solution

The fourth proportional to 11,484.60, 15,848.34 and 7,015.83 is: 9,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,484.60 : 15,848.34 = 7,015.83 : x
  2. Step 2: Convert to fraction form
    11,484.60/15,848.34 = 7,015.83/x
  3. Step 3: Cross multiply
    11,484.60x = 15,848.34 × 7,015.83
  4. Step 4: Simplify right side
    11,484.60x = 111,189,212.95
  5. Step 5: Solve for x
    x = 111,189,212.95/11,484.60
  6. Step 6: Final answer
    x = 9,681.60

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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.