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Finding the Fourth Proportional to 29,423.73, 40,605.53 and 15,995.88

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Solution

The fourth proportional to 29,423.73, 40,605.53 and 15,995.88 is: 22,074.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,423.73 : 40,605.53 = 15,995.88 : x
  2. Step 2: Convert to fraction form
    29,423.73/40,605.53 = 15,995.88/x
  3. Step 3: Cross multiply
    29,423.73x = 40,605.53 × 15,995.88
  4. Step 4: Simplify right side
    29,423.73x = 649,521,185.22
  5. Step 5: Solve for x
    x = 649,521,185.22/29,423.73
  6. Step 6: Final answer
    x = 22,074.74

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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.