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Finding the Fourth Proportional to 12,404.55, 18,597.11 and 8,497.11

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Solution

The fourth proportional to 12,404.55, 18,597.11 and 8,497.11 is: 12,739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404.55 : 18,597.11 = 8,497.11 : x
  2. Step 2: Convert to fraction form
    12,404.55/18,597.11 = 8,497.11/x
  3. Step 3: Cross multiply
    12,404.55x = 18,597.11 × 8,497.11
  4. Step 4: Simplify right side
    12,404.55x = 158,021,646.87
  5. Step 5: Solve for x
    x = 158,021,646.87/12,404.55
  6. Step 6: Final answer
    x = 12,739.01

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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.