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Finding the Fourth Proportional to 29,005.45, 40,015.58 and 17,670.83

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Solution

The fourth proportional to 29,005.45, 40,015.58 and 17,670.83 is: 24,378.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,005.45 : 40,015.58 = 17,670.83 : x
  2. Step 2: Convert to fraction form
    29,005.45/40,015.58 = 17,670.83/x
  3. Step 3: Cross multiply
    29,005.45x = 40,015.58 × 17,670.83
  4. Step 4: Simplify right side
    29,005.45x = 707,108,223.10
  5. Step 5: Solve for x
    x = 707,108,223.10/29,005.45
  6. Step 6: Final answer
    x = 24,378.46

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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.