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Finding the Fourth Proportional to 11,441.52, 15,784.50 and 7,462.50

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Solution

The fourth proportional to 11,441.52, 15,784.50 and 7,462.50 is: 10,295.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,441.52 : 15,784.50 = 7,462.50 : x
  2. Step 2: Convert to fraction form
    11,441.52/15,784.50 = 7,462.50/x
  3. Step 3: Cross multiply
    11,441.52x = 15,784.50 × 7,462.50
  4. Step 4: Simplify right side
    11,441.52x = 117,791,800.04
  5. Step 5: Solve for x
    x = 117,791,800.04/11,441.52
  6. Step 6: Final answer
    x = 10,295.12

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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.