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Finding the Fourth Proportional to 61,435.40, 92,034.90 and 37,673.57

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Solution

The fourth proportional to 61,435.40, 92,034.90 and 37,673.57 is: 56,437.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,435.40 : 92,034.90 = 37,673.57 : x
  2. Step 2: Convert to fraction form
    61,435.40/92,034.90 = 37,673.57/x
  3. Step 3: Cross multiply
    61,435.40x = 92,034.90 × 37,673.57
  4. Step 4: Simplify right side
    61,435.40x = 3,467,283,477.68
  5. Step 5: Solve for x
    x = 3,467,283,477.68/61,435.40
  6. Step 6: Final answer
    x = 56,437.88

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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.