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Finding the Fourth Proportional to 35,584.79, 53,371.13 and 11,889.65

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Solution

The fourth proportional to 35,584.79, 53,371.13 and 11,889.65 is: 17,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,584.79 : 53,371.13 = 11,889.65 : x
  2. Step 2: Convert to fraction form
    35,584.79/53,371.13 = 11,889.65/x
  3. Step 3: Cross multiply
    35,584.79x = 53,371.13 × 11,889.65
  4. Step 4: Simplify right side
    35,584.79x = 634,564,055.80
  5. Step 5: Solve for x
    x = 634,564,055.80/35,584.79
  6. Step 6: Final answer
    x = 17,832.45

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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.