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Finding the Fourth Proportional to 29,472.32, 40,671.90 and 16,043.73

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Solution

The fourth proportional to 29,472.32, 40,671.90 and 16,043.73 is: 22,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,472.32 : 40,671.90 = 16,043.73 : x
  2. Step 2: Convert to fraction form
    29,472.32/40,671.90 = 16,043.73/x
  3. Step 3: Cross multiply
    29,472.32x = 40,671.90 × 16,043.73
  4. Step 4: Simplify right side
    29,472.32x = 652,528,982.19
  5. Step 5: Solve for x
    x = 652,528,982.19/29,472.32
  6. Step 6: Final answer
    x = 22,140.40

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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.