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Finding the Fourth Proportional to 34,860.94, 48,234.76 and 30,393.99

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Solution

The fourth proportional to 34,860.94, 48,234.76 and 30,393.99 is: 42,054.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,860.94 : 48,234.76 = 30,393.99 : x
  2. Step 2: Convert to fraction form
    34,860.94/48,234.76 = 30,393.99/x
  3. Step 3: Cross multiply
    34,860.94x = 48,234.76 × 30,393.99
  4. Step 4: Simplify right side
    34,860.94x = 1,466,046,737.11
  5. Step 5: Solve for x
    x = 1,466,046,737.11/34,860.94
  6. Step 6: Final answer
    x = 42,054.14

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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.