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Finding the Fourth Proportional to 35,891.52, 53,802.72 and 19,239.36

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Solution

The fourth proportional to 35,891.52, 53,802.72 and 19,239.36 is: 28,840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,891.52 : 53,802.72 = 19,239.36 : x
  2. Step 2: Convert to fraction form
    35,891.52/53,802.72 = 19,239.36/x
  3. Step 3: Cross multiply
    35,891.52x = 53,802.72 × 19,239.36
  4. Step 4: Simplify right side
    35,891.52x = 1,035,129,899.06
  5. Step 5: Solve for x
    x = 1,035,129,899.06/35,891.52
  6. Step 6: Final answer
    x = 28,840.51

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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.