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Finding the Fourth Proportional to 12,653.08, 17,461.94 and 7,349.56

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Solution

The fourth proportional to 12,653.08, 17,461.94 and 7,349.56 is: 10,142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653.08 : 17,461.94 = 7,349.56 : x
  2. Step 2: Convert to fraction form
    12,653.08/17,461.94 = 7,349.56/x
  3. Step 3: Cross multiply
    12,653.08x = 17,461.94 × 7,349.56
  4. Step 4: Simplify right side
    12,653.08x = 128,337,575.75
  5. Step 5: Solve for x
    x = 128,337,575.75/12,653.08
  6. Step 6: Final answer
    x = 10,142.79

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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.