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Finding the Fourth Proportional to 64,878.70, 97,318.05 and 23,329.90

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Solution

The fourth proportional to 64,878.70, 97,318.05 and 23,329.90 is: 34,994.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,878.70 : 97,318.05 = 23,329.90 : x
  2. Step 2: Convert to fraction form
    64,878.70/97,318.05 = 23,329.90/x
  3. Step 3: Cross multiply
    64,878.70x = 97,318.05 × 23,329.90
  4. Step 4: Simplify right side
    64,878.70x = 2,270,420,374.70
  5. Step 5: Solve for x
    x = 2,270,420,374.70/64,878.70
  6. Step 6: Final answer
    x = 34,994.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.