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Finding the Fourth Proportional to 29,392.76, 40,562.43 and 15,964.04

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Solution

The fourth proportional to 29,392.76, 40,562.43 and 15,964.04 is: 22,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,392.76 : 40,562.43 = 15,964.04 : x
  2. Step 2: Convert to fraction form
    29,392.76/40,562.43 = 15,964.04/x
  3. Step 3: Cross multiply
    29,392.76x = 40,562.43 × 15,964.04
  4. Step 4: Simplify right side
    29,392.76x = 647,540,255.02
  5. Step 5: Solve for x
    x = 647,540,255.02/29,392.76
  6. Step 6: Final answer
    x = 22,030.60

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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.