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Finding the Fourth Proportional to 70,636.22, 97,478.02 and 38,807.17

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Solution

The fourth proportional to 70,636.22, 97,478.02 and 38,807.17 is: 53,553.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,636.22 : 97,478.02 = 38,807.17 : x
  2. Step 2: Convert to fraction form
    70,636.22/97,478.02 = 38,807.17/x
  3. Step 3: Cross multiply
    70,636.22x = 97,478.02 × 38,807.17
  4. Step 4: Simplify right side
    70,636.22x = 3,782,845,843.64
  5. Step 5: Solve for x
    x = 3,782,845,843.64/70,636.22
  6. Step 6: Final answer
    x = 53,553.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.