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Finding the Fourth Proportional to 13,063.60, 18,027.90 and 7,095.28

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Solution

The fourth proportional to 13,063.60, 18,027.90 and 7,095.28 is: 9,791.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,063.60 : 18,027.90 = 7,095.28 : x
  2. Step 2: Convert to fraction form
    13,063.60/18,027.90 = 7,095.28/x
  3. Step 3: Cross multiply
    13,063.60x = 18,027.90 × 7,095.28
  4. Step 4: Simplify right side
    13,063.60x = 127,912,998.31
  5. Step 5: Solve for x
    x = 127,912,998.31/13,063.60
  6. Step 6: Final answer
    x = 9,791.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.