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Finding the Fourth Proportional to 35,576.66, 53,358.50 and 15,851.54

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Solution

The fourth proportional to 35,576.66, 53,358.50 and 15,851.54 is: 23,774.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,576.66 : 53,358.50 = 15,851.54 : x
  2. Step 2: Convert to fraction form
    35,576.66/53,358.50 = 15,851.54/x
  3. Step 3: Cross multiply
    35,576.66x = 53,358.50 × 15,851.54
  4. Step 4: Simplify right side
    35,576.66x = 845,814,397.09
  5. Step 5: Solve for x
    x = 845,814,397.09/35,576.66
  6. Step 6: Final answer
    x = 23,774.42

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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.