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Finding the Fourth Proportional to 84,353.81, 126,571.95 and 36,962.39

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Solution

The fourth proportional to 84,353.81, 126,571.95 and 36,962.39 is: 55,461.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,353.81 : 126,571.95 = 36,962.39 : x
  2. Step 2: Convert to fraction form
    84,353.81/126,571.95 = 36,962.39/x
  3. Step 3: Cross multiply
    84,353.81x = 126,571.95 × 36,962.39
  4. Step 4: Simplify right side
    84,353.81x = 4,678,402,095.39
  5. Step 5: Solve for x
    x = 4,678,402,095.39/84,353.81
  6. Step 6: Final answer
    x = 55,461.66

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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.