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Finding the Fourth Proportional to 29,567.70, 40,803.06 and 16,139.04

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Solution

The fourth proportional to 29,567.70, 40,803.06 and 16,139.04 is: 22,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,567.70 : 40,803.06 = 16,139.04 : x
  2. Step 2: Convert to fraction form
    29,567.70/40,803.06 = 16,139.04/x
  3. Step 3: Cross multiply
    29,567.70x = 40,803.06 × 16,139.04
  4. Step 4: Simplify right side
    29,567.70x = 658,522,217.46
  5. Step 5: Solve for x
    x = 658,522,217.46/29,567.70
  6. Step 6: Final answer
    x = 22,271.68

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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.