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Finding the Fourth Proportional to 29,323.41, 40,471.72 and 16,748.16

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Solution

The fourth proportional to 29,323.41, 40,471.72 and 16,748.16 is: 23,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,323.41 : 40,471.72 = 16,748.16 : x
  2. Step 2: Convert to fraction form
    29,323.41/40,471.72 = 16,748.16/x
  3. Step 3: Cross multiply
    29,323.41x = 40,471.72 × 16,748.16
  4. Step 4: Simplify right side
    29,323.41x = 677,826,842.04
  5. Step 5: Solve for x
    x = 677,826,842.04/29,323.41
  6. Step 6: Final answer
    x = 23,115.55

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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.