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Finding the Fourth Proportional to 59,051.31, 81,492.36 and 36,405.26

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Solution

The fourth proportional to 59,051.31, 81,492.36 and 36,405.26 is: 50,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,051.31 : 81,492.36 = 36,405.26 : x
  2. Step 2: Convert to fraction form
    59,051.31/81,492.36 = 36,405.26/x
  3. Step 3: Cross multiply
    59,051.31x = 81,492.36 × 36,405.26
  4. Step 4: Simplify right side
    59,051.31x = 2,966,750,371.79
  5. Step 5: Solve for x
    x = 2,966,750,371.79/59,051.31
  6. Step 6: Final answer
    x = 50,240.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.