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Finding the Fourth Proportional to 57,602.06, 86,403.15 and 37,968.29

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Solution

The fourth proportional to 57,602.06, 86,403.15 and 37,968.29 is: 56,952.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,602.06 : 86,403.15 = 37,968.29 : x
  2. Step 2: Convert to fraction form
    57,602.06/86,403.15 = 37,968.29/x
  3. Step 3: Cross multiply
    57,602.06x = 86,403.15 × 37,968.29
  4. Step 4: Simplify right side
    57,602.06x = 3,280,579,856.11
  5. Step 5: Solve for x
    x = 3,280,579,856.11/57,602.06
  6. Step 6: Final answer
    x = 56,952.47

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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.