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Finding the Fourth Proportional to 61,572.30, 92,220.05 and 37,491.38

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Solution

The fourth proportional to 61,572.30, 92,220.05 and 37,491.38 is: 56,152.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,572.30 : 92,220.05 = 37,491.38 : x
  2. Step 2: Convert to fraction form
    61,572.30/92,220.05 = 37,491.38/x
  3. Step 3: Cross multiply
    61,572.30x = 92,220.05 × 37,491.38
  4. Step 4: Simplify right side
    61,572.30x = 3,457,457,175.99
  5. Step 5: Solve for x
    x = 3,457,457,175.99/61,572.30
  6. Step 6: Final answer
    x = 56,152.80

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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.