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Finding the Fourth Proportional to 57,615.96, 86,471.46 and 44,547.96

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Solution

The fourth proportional to 57,615.96, 86,471.46 and 44,547.96 is: 66,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,615.96 : 86,471.46 = 44,547.96 : x
  2. Step 2: Convert to fraction form
    57,615.96/86,471.46 = 44,547.96/x
  3. Step 3: Cross multiply
    57,615.96x = 86,471.46 × 44,547.96
  4. Step 4: Simplify right side
    57,615.96x = 3,852,127,141.22
  5. Step 5: Solve for x
    x = 3,852,127,141.22/57,615.96
  6. Step 6: Final answer
    x = 66,858.68

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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.