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Finding the Fourth Proportional to 12,900.98, 17,804.99 and 7,596.29

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Solution

The fourth proportional to 12,900.98, 17,804.99 and 7,596.29 is: 10,483.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,900.98 : 17,804.99 = 7,596.29 : x
  2. Step 2: Convert to fraction form
    12,900.98/17,804.99 = 7,596.29/x
  3. Step 3: Cross multiply
    12,900.98x = 17,804.99 × 7,596.29
  4. Step 4: Simplify right side
    12,900.98x = 135,251,797.45
  5. Step 5: Solve for x
    x = 135,251,797.45/12,900.98
  6. Step 6: Final answer
    x = 10,483.84

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Double scale
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Similar ratio
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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.