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Finding the Fourth Proportional to 61,673.84, 85,111.96 and 37,795.90

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Solution

The fourth proportional to 61,673.84, 85,111.96 and 37,795.90 is: 52,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,673.84 : 85,111.96 = 37,795.90 : x
  2. Step 2: Convert to fraction form
    61,673.84/85,111.96 = 37,795.90/x
  3. Step 3: Cross multiply
    61,673.84x = 85,111.96 × 37,795.90
  4. Step 4: Simplify right side
    61,673.84x = 3,216,883,052.15
  5. Step 5: Solve for x
    x = 3,216,883,052.15/61,673.84
  6. Step 6: Final answer
    x = 52,159.60

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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.