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Finding the Fourth Proportional to 47,135.40, 65,046.84 and 25,916.04

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Solution

The fourth proportional to 47,135.40, 65,046.84 and 25,916.04 is: 35,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135.40 : 65,046.84 = 25,916.04 : x
  2. Step 2: Convert to fraction form
    47,135.40/65,046.84 = 25,916.04/x
  3. Step 3: Cross multiply
    47,135.40x = 65,046.84 × 25,916.04
  4. Step 4: Simplify right side
    47,135.40x = 1,685,756,507.31
  5. Step 5: Solve for x
    x = 1,685,756,507.31/47,135.40
  6. Step 6: Final answer
    x = 35,764.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.