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Finding the Fourth Proportional to 29,671.65, 40,946.88 and 16,242.92

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Solution

The fourth proportional to 29,671.65, 40,946.88 and 16,242.92 is: 22,415.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,671.65 : 40,946.88 = 16,242.92 : x
  2. Step 2: Convert to fraction form
    29,671.65/40,946.88 = 16,242.92/x
  3. Step 3: Cross multiply
    29,671.65x = 40,946.88 × 16,242.92
  4. Step 4: Simplify right side
    29,671.65x = 665,096,896.09
  5. Step 5: Solve for x
    x = 665,096,896.09/29,671.65
  6. Step 6: Final answer
    x = 22,415.23

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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.