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Finding the Fourth Proportional to 70,796.84, 97,696.02 and 38,959.58

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Solution

The fourth proportional to 70,796.84, 97,696.02 and 38,959.58 is: 53,762.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,796.84 : 97,696.02 = 38,959.58 : x
  2. Step 2: Convert to fraction form
    70,796.84/97,696.02 = 38,959.58/x
  3. Step 3: Cross multiply
    70,796.84x = 97,696.02 × 38,959.58
  4. Step 4: Simplify right side
    70,796.84x = 3,806,196,297.21
  5. Step 5: Solve for x
    x = 3,806,196,297.21/70,796.84
  6. Step 6: Final answer
    x = 53,762.24

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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.