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Finding the Fourth Proportional to 47,871.15, 66,062.15 and 26,655.42

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Solution

The fourth proportional to 47,871.15, 66,062.15 and 26,655.42 is: 36,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,871.15 : 66,062.15 = 26,655.42 : x
  2. Step 2: Convert to fraction form
    47,871.15/66,062.15 = 26,655.42/x
  3. Step 3: Cross multiply
    47,871.15x = 66,062.15 × 26,655.42
  4. Step 4: Simplify right side
    47,871.15x = 1,760,914,221.08
  5. Step 5: Solve for x
    x = 1,760,914,221.08/47,871.15
  6. Step 6: Final answer
    x = 36,784.46

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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.