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Finding the Fourth Proportional to 13,352.78, 20,030.52 and 4,586.55

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Solution

The fourth proportional to 13,352.78, 20,030.52 and 4,586.55 is: 6,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.78 : 20,030.52 = 4,586.55 : x
  2. Step 2: Convert to fraction form
    13,352.78/20,030.52 = 4,586.55/x
  3. Step 3: Cross multiply
    13,352.78x = 20,030.52 × 4,586.55
  4. Step 4: Simplify right side
    13,352.78x = 91,870,981.51
  5. Step 5: Solve for x
    x = 91,870,981.51/13,352.78
  6. Step 6: Final answer
    x = 6,880.29

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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.