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Finding the Fourth Proportional to 61,364.49, 84,684.15 and 35,873.03

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Solution

The fourth proportional to 61,364.49, 84,684.15 and 35,873.03 is: 49,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,364.49 : 84,684.15 = 35,873.03 : x
  2. Step 2: Convert to fraction form
    61,364.49/84,684.15 = 35,873.03/x
  3. Step 3: Cross multiply
    61,364.49x = 84,684.15 × 35,873.03
  4. Step 4: Simplify right side
    61,364.49x = 3,037,877,130.66
  5. Step 5: Solve for x
    x = 3,037,877,130.66/61,364.49
  6. Step 6: Final answer
    x = 49,505.46

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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.