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Finding the Fourth Proportional to 29,348.40, 40,498.92 and 16,772.88

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Solution

The fourth proportional to 29,348.40, 40,498.92 and 16,772.88 is: 23,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,348.40 : 40,498.92 = 16,772.88 : x
  2. Step 2: Convert to fraction form
    29,348.40/40,498.92 = 16,772.88/x
  3. Step 3: Cross multiply
    29,348.40x = 40,498.92 × 16,772.88
  4. Step 4: Simplify right side
    29,348.40x = 679,283,525.29
  5. Step 5: Solve for x
    x = 679,283,525.29/29,348.40
  6. Step 6: Final answer
    x = 23,145.50

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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.