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Finding the Fourth Proportional to 10,699.99, 16,065.56 and 7,596.48

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Solution

The fourth proportional to 10,699.99, 16,065.56 and 7,596.48 is: 11,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,699.99 : 16,065.56 = 7,596.48 : x
  2. Step 2: Convert to fraction form
    10,699.99/16,065.56 = 7,596.48/x
  3. Step 3: Cross multiply
    10,699.99x = 16,065.56 × 7,596.48
  4. Step 4: Simplify right side
    10,699.99x = 122,041,705.23
  5. Step 5: Solve for x
    x = 122,041,705.23/10,699.99
  6. Step 6: Final answer
    x = 11,405.78

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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.