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Finding the Fourth Proportional to 45,677.94, 63,009.27 and 26,811.42

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Solution

The fourth proportional to 45,677.94, 63,009.27 and 26,811.42 is: 36,984.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,677.94 : 63,009.27 = 26,811.42 : x
  2. Step 2: Convert to fraction form
    45,677.94/63,009.27 = 26,811.42/x
  3. Step 3: Cross multiply
    45,677.94x = 63,009.27 × 26,811.42
  4. Step 4: Simplify right side
    45,677.94x = 1,689,368,001.86
  5. Step 5: Solve for x
    x = 1,689,368,001.86/45,677.94
  6. Step 6: Final answer
    x = 36,984.33

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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.