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Finding the Fourth Proportional to 13,064.60, 18,029.28 and 7,096.28

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Solution

The fourth proportional to 13,064.60, 18,029.28 and 7,096.28 is: 9,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064.60 : 18,029.28 = 7,096.28 : x
  2. Step 2: Convert to fraction form
    13,064.60/18,029.28 = 7,096.28/x
  3. Step 3: Cross multiply
    13,064.60x = 18,029.28 × 7,096.28
  4. Step 4: Simplify right side
    13,064.60x = 127,940,819.08
  5. Step 5: Solve for x
    x = 127,940,819.08/13,064.60
  6. Step 6: Final answer
    x = 9,792.94

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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.