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Finding the Fourth Proportional to 34,061.40, 51,116.40 and 19,254.60

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Solution

The fourth proportional to 34,061.40, 51,116.40 and 19,254.60 is: 28,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,061.40 : 51,116.40 = 19,254.60 : x
  2. Step 2: Convert to fraction form
    34,061.40/51,116.40 = 19,254.60/x
  3. Step 3: Cross multiply
    34,061.40x = 51,116.40 × 19,254.60
  4. Step 4: Simplify right side
    34,061.40x = 984,225,835.44
  5. Step 5: Solve for x
    x = 984,225,835.44/34,061.40
  6. Step 6: Final answer
    x = 28,895.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.