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Finding the Fourth Proportional to 35,915.33, 53,872.96 and 9,619.36

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Solution

The fourth proportional to 35,915.33, 53,872.96 and 9,619.36 is: 14,429.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.33 : 53,872.96 = 9,619.36 : x
  2. Step 2: Convert to fraction form
    35,915.33/53,872.96 = 9,619.36/x
  3. Step 3: Cross multiply
    35,915.33x = 53,872.96 × 9,619.36
  4. Step 4: Simplify right side
    35,915.33x = 518,223,285.87
  5. Step 5: Solve for x
    x = 518,223,285.87/35,915.33
  6. Step 6: Final answer
    x = 14,429.03

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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.