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Finding the Fourth Proportional to 55,664.70, 83,497.05 and 36,637.80

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Solution

The fourth proportional to 55,664.70, 83,497.05 and 36,637.80 is: 54,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,664.70 : 83,497.05 = 36,637.80 : x
  2. Step 2: Convert to fraction form
    55,664.70/83,497.05 = 36,637.80/x
  3. Step 3: Cross multiply
    55,664.70x = 83,497.05 × 36,637.80
  4. Step 4: Simplify right side
    55,664.70x = 3,059,148,218.49
  5. Step 5: Solve for x
    x = 3,059,148,218.49/55,664.70
  6. Step 6: Final answer
    x = 54,956.70

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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.