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Finding the Fourth Proportional to 64,989.60, 97,409.67 and 29,855.44

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Solution

The fourth proportional to 64,989.60, 97,409.67 and 29,855.44 is: 44,748.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,989.60 : 97,409.67 = 29,855.44 : x
  2. Step 2: Convert to fraction form
    64,989.60/97,409.67 = 29,855.44/x
  3. Step 3: Cross multiply
    64,989.60x = 97,409.67 × 29,855.44
  4. Step 4: Simplify right side
    64,989.60x = 2,908,208,558.10
  5. Step 5: Solve for x
    x = 2,908,208,558.10/64,989.60
  6. Step 6: Final answer
    x = 44,748.83

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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.