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Finding the Fourth Proportional to 34,915.32, 48,174.93 and 19,804.50

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Solution

The fourth proportional to 34,915.32, 48,174.93 and 19,804.50 is: 27,325.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,915.32 : 48,174.93 = 19,804.50 : x
  2. Step 2: Convert to fraction form
    34,915.32/48,174.93 = 19,804.50/x
  3. Step 3: Cross multiply
    34,915.32x = 48,174.93 × 19,804.50
  4. Step 4: Simplify right side
    34,915.32x = 954,080,401.19
  5. Step 5: Solve for x
    x = 954,080,401.19/34,915.32
  6. Step 6: Final answer
    x = 27,325.55

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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.