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Finding the Fourth Proportional to 34,715.61, 47,907.38 and 18,799.99

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Solution

The fourth proportional to 34,715.61, 47,907.38 and 18,799.99 is: 25,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,715.61 : 47,907.38 = 18,799.99 : x
  2. Step 2: Convert to fraction form
    34,715.61/47,907.38 = 18,799.99/x
  3. Step 3: Cross multiply
    34,715.61x = 47,907.38 × 18,799.99
  4. Step 4: Simplify right side
    34,715.61x = 900,658,192.16
  5. Step 5: Solve for x
    x = 900,658,192.16/34,715.61
  6. Step 6: Final answer
    x = 25,943.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.