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Finding the Fourth Proportional to 13,358.52, 20,047.50 and 5,971.32

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Solution

The fourth proportional to 13,358.52, 20,047.50 and 5,971.32 is: 8,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.52 : 20,047.50 = 5,971.32 : x
  2. Step 2: Convert to fraction form
    13,358.52/20,047.50 = 5,971.32/x
  3. Step 3: Cross multiply
    13,358.52x = 20,047.50 × 5,971.32
  4. Step 4: Simplify right side
    13,358.52x = 119,710,037.70
  5. Step 5: Solve for x
    x = 119,710,037.70/13,358.52
  6. Step 6: Final answer
    x = 8,961.32

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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.