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Finding the Fourth Proportional to 10,859.58, 16,263.86 and 5,295.48

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Solution

The fourth proportional to 10,859.58, 16,263.86 and 5,295.48 is: 7,930.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,859.58 : 16,263.86 = 5,295.48 : x
  2. Step 2: Convert to fraction form
    10,859.58/16,263.86 = 5,295.48/x
  3. Step 3: Cross multiply
    10,859.58x = 16,263.86 × 5,295.48
  4. Step 4: Simplify right side
    10,859.58x = 86,124,918.88
  5. Step 5: Solve for x
    x = 86,124,918.88/10,859.58
  6. Step 6: Final answer
    x = 7,930.78

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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.