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Finding the Fourth Proportional to 13,065.14, 18,029.88 and 7,096.77

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Solution

The fourth proportional to 13,065.14, 18,029.88 and 7,096.77 is: 9,793.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.14 : 18,029.88 = 7,096.77 : x
  2. Step 2: Convert to fraction form
    13,065.14/18,029.88 = 7,096.77/x
  3. Step 3: Cross multiply
    13,065.14x = 18,029.88 × 7,096.77
  4. Step 4: Simplify right side
    13,065.14x = 127,953,959.09
  5. Step 5: Solve for x
    x = 127,953,959.09/13,065.14
  6. Step 6: Final answer
    x = 9,793.54

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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.