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Finding the Fourth Proportional to 12,673.32, 17,488.74 and 7,008.38

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Solution

The fourth proportional to 12,673.32, 17,488.74 and 7,008.38 is: 9,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673.32 : 17,488.74 = 7,008.38 : x
  2. Step 2: Convert to fraction form
    12,673.32/17,488.74 = 7,008.38/x
  3. Step 3: Cross multiply
    12,673.32x = 17,488.74 × 7,008.38
  4. Step 4: Simplify right side
    12,673.32x = 122,567,735.64
  5. Step 5: Solve for x
    x = 122,567,735.64/12,673.32
  6. Step 6: Final answer
    x = 9,671.32

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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.