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Finding the Fourth Proportional to 70,895.52, 97,840.17 and 39,064.41

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Solution

The fourth proportional to 70,895.52, 97,840.17 and 39,064.41 is: 53,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,895.52 : 97,840.17 = 39,064.41 : x
  2. Step 2: Convert to fraction form
    70,895.52/97,840.17 = 39,064.41/x
  3. Step 3: Cross multiply
    70,895.52x = 97,840.17 × 39,064.41
  4. Step 4: Simplify right side
    70,895.52x = 3,822,068,515.35
  5. Step 5: Solve for x
    x = 3,822,068,515.35/70,895.52
  6. Step 6: Final answer
    x = 53,911.28

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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.