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Finding the Fourth Proportional to 35,911.36, 53,869.92 and 9,615.88

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Solution

The fourth proportional to 35,911.36, 53,869.92 and 9,615.88 is: 14,424.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,911.36 : 53,869.92 = 9,615.88 : x
  2. Step 2: Convert to fraction form
    35,911.36/53,869.92 = 9,615.88/x
  3. Step 3: Cross multiply
    35,911.36x = 53,869.92 × 9,615.88
  4. Step 4: Simplify right side
    35,911.36x = 518,006,686.33
  5. Step 5: Solve for x
    x = 518,006,686.33/35,911.36
  6. Step 6: Final answer
    x = 14,424.59

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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.