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Finding the Fourth Proportional to 34,281.76, 51,423.76 and 11,792.21

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Solution

The fourth proportional to 34,281.76, 51,423.76 and 11,792.21 is: 17,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,281.76 : 51,423.76 = 11,792.21 : x
  2. Step 2: Convert to fraction form
    34,281.76/51,423.76 = 11,792.21/x
  3. Step 3: Cross multiply
    34,281.76x = 51,423.76 × 11,792.21
  4. Step 4: Simplify right side
    34,281.76x = 606,399,490.31
  5. Step 5: Solve for x
    x = 606,399,490.31/34,281.76
  6. Step 6: Final answer
    x = 17,688.69

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