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Finding the Fourth Proportional to 69,914.88, 96,482.04 and 38,083.68

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Solution

The fourth proportional to 69,914.88, 96,482.04 and 38,083.68 is: 52,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,914.88 : 96,482.04 = 38,083.68 : x
  2. Step 2: Convert to fraction form
    69,914.88/96,482.04 = 38,083.68/x
  3. Step 3: Cross multiply
    69,914.88x = 96,482.04 × 38,083.68
  4. Step 4: Simplify right side
    69,914.88x = 3,674,391,137.11
  5. Step 5: Solve for x
    x = 3,674,391,137.11/69,914.88
  6. Step 6: Final answer
    x = 52,555.21

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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.