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Finding the Fourth Proportional to 12,429.01, 17,152.32 and 6,764.08

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Solution

The fourth proportional to 12,429.01, 17,152.32 and 6,764.08 is: 9,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,429.01 : 17,152.32 = 6,764.08 : x
  2. Step 2: Convert to fraction form
    12,429.01/17,152.32 = 6,764.08/x
  3. Step 3: Cross multiply
    12,429.01x = 17,152.32 × 6,764.08
  4. Step 4: Simplify right side
    12,429.01x = 116,019,664.67
  5. Step 5: Solve for x
    x = 116,019,664.67/12,429.01
  6. Step 6: Final answer
    x = 9,334.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.