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Finding the Fourth Proportional to 70,883.09, 97,815.15 and 39,046.04

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Solution

The fourth proportional to 70,883.09, 97,815.15 and 39,046.04 is: 53,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,883.09 : 97,815.15 = 39,046.04 : x
  2. Step 2: Convert to fraction form
    70,883.09/97,815.15 = 39,046.04/x
  3. Step 3: Cross multiply
    70,883.09x = 97,815.15 × 39,046.04
  4. Step 4: Simplify right side
    70,883.09x = 3,819,293,770.43
  5. Step 5: Solve for x
    x = 3,819,293,770.43/70,883.09
  6. Step 6: Final answer
    x = 53,881.60

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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.