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Finding the Fourth Proportional to 14,652.60, 21,993.30 and 7,265.40

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Solution

The fourth proportional to 14,652.60, 21,993.30 and 7,265.40 is: 10,905.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.60 : 21,993.30 = 7,265.40 : x
  2. Step 2: Convert to fraction form
    14,652.60/21,993.30 = 7,265.40/x
  3. Step 3: Cross multiply
    14,652.60x = 21,993.30 × 7,265.40
  4. Step 4: Simplify right side
    14,652.60x = 159,790,121.82
  5. Step 5: Solve for x
    x = 159,790,121.82/14,652.60
  6. Step 6: Final answer
    x = 10,905.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.