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Finding the Fourth Proportional to 34,846.71, 48,086.66 and 18,931.12

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Solution

The fourth proportional to 34,846.71, 48,086.66 and 18,931.12 is: 26,123.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,846.71 : 48,086.66 = 18,931.12 : x
  2. Step 2: Convert to fraction form
    34,846.71/48,086.66 = 18,931.12/x
  3. Step 3: Cross multiply
    34,846.71x = 48,086.66 × 18,931.12
  4. Step 4: Simplify right side
    34,846.71x = 910,334,257.97
  5. Step 5: Solve for x
    x = 910,334,257.97/34,846.71
  6. Step 6: Final answer
    x = 26,123.97

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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.