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Finding the Fourth Proportional to 29,596.60, 40,842.64 and 16,167.92

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Solution

The fourth proportional to 29,596.60, 40,842.64 and 16,167.92 is: 22,311.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,596.60 : 40,842.64 = 16,167.92 : x
  2. Step 2: Convert to fraction form
    29,596.60/40,842.64 = 16,167.92/x
  3. Step 3: Cross multiply
    29,596.60x = 40,842.64 × 16,167.92
  4. Step 4: Simplify right side
    29,596.60x = 660,340,352.11
  5. Step 5: Solve for x
    x = 660,340,352.11/29,596.60
  6. Step 6: Final answer
    x = 22,311.36

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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.