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Finding the Fourth Proportional to 12,425.59, 17,153.64 and 9,586.59

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Solution

The fourth proportional to 12,425.59, 17,153.64 and 9,586.59 is: 13,234.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.59 : 17,153.64 = 9,586.59 : x
  2. Step 2: Convert to fraction form
    12,425.59/17,153.64 = 9,586.59/x
  3. Step 3: Cross multiply
    12,425.59x = 17,153.64 × 9,586.59
  4. Step 4: Simplify right side
    12,425.59x = 164,444,913.69
  5. Step 5: Solve for x
    x = 164,444,913.69/12,425.59
  6. Step 6: Final answer
    x = 13,234.37

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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.