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Finding the Fourth Proportional to 34,818.88, 48,050.40 and 18,903.46

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Solution

The fourth proportional to 34,818.88, 48,050.40 and 18,903.46 is: 26,086.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,818.88 : 48,050.40 = 18,903.46 : x
  2. Step 2: Convert to fraction form
    34,818.88/48,050.40 = 18,903.46/x
  3. Step 3: Cross multiply
    34,818.88x = 48,050.40 × 18,903.46
  4. Step 4: Simplify right side
    34,818.88x = 908,318,814.38
  5. Step 5: Solve for x
    x = 908,318,814.38/34,818.88
  6. Step 6: Final answer
    x = 26,086.96

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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.