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Finding the Fourth Proportional to 35,764, 53,648.96 and 11,140

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Solution

The fourth proportional to 35,764, 53,648.96 and 11,140 is: 16,710.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,764 : 53,648.96 = 11,140 : x
  2. Step 2: Convert to fraction form
    35,764/53,648.96 = 11,140/x
  3. Step 3: Cross multiply
    35,764x = 53,648.96 × 11,140
  4. Step 4: Simplify right side
    35,764x = 597,649,414.40
  5. Step 5: Solve for x
    x = 597,649,414.40/35,764
  6. Step 6: Final answer
    x = 16,710.92

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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.