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Finding the Fourth Proportional to 57,495.83, 86,209.17 and 21,959.51

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Solution

The fourth proportional to 57,495.83, 86,209.17 and 21,959.51 is: 32,926.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,495.83 : 86,209.17 = 21,959.51 : x
  2. Step 2: Convert to fraction form
    57,495.83/86,209.17 = 21,959.51/x
  3. Step 3: Cross multiply
    57,495.83x = 86,209.17 × 21,959.51
  4. Step 4: Simplify right side
    57,495.83x = 1,893,111,130.71
  5. Step 5: Solve for x
    x = 1,893,111,130.71/57,495.83
  6. Step 6: Final answer
    x = 32,926.06

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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.