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Finding the Fourth Proportional to 61,884.84, 85,386.43 and 35,027.34

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Solution

The fourth proportional to 61,884.84, 85,386.43 and 35,027.34 is: 48,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,884.84 : 85,386.43 = 35,027.34 : x
  2. Step 2: Convert to fraction form
    61,884.84/85,386.43 = 35,027.34/x
  3. Step 3: Cross multiply
    61,884.84x = 85,386.43 × 35,027.34
  4. Step 4: Simplify right side
    61,884.84x = 2,990,859,515.00
  5. Step 5: Solve for x
    x = 2,990,859,515.00/61,884.84
  6. Step 6: Final answer
    x = 48,329.44

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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.