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Finding the Fourth Proportional to 34,428.48, 51,640.98 and 11,053.08

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Solution

The fourth proportional to 34,428.48, 51,640.98 and 11,053.08 is: 16,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,428.48 : 51,640.98 = 11,053.08 : x
  2. Step 2: Convert to fraction form
    34,428.48/51,640.98 = 11,053.08/x
  3. Step 3: Cross multiply
    34,428.48x = 51,640.98 × 11,053.08
  4. Step 4: Simplify right side
    34,428.48x = 570,791,883.22
  5. Step 5: Solve for x
    x = 570,791,883.22/34,428.48
  6. Step 6: Final answer
    x = 16,579.06

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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.