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Finding the Fourth Proportional to 29,471.82, 40,673.95 and 18,147.95

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Solution

The fourth proportional to 29,471.82, 40,673.95 and 18,147.95 is: 25,045.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,471.82 : 40,673.95 = 18,147.95 : x
  2. Step 2: Convert to fraction form
    29,471.82/40,673.95 = 18,147.95/x
  3. Step 3: Cross multiply
    29,471.82x = 40,673.95 × 18,147.95
  4. Step 4: Simplify right side
    29,471.82x = 738,148,714.69
  5. Step 5: Solve for x
    x = 738,148,714.69/29,471.82
  6. Step 6: Final answer
    x = 25,045.92

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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.