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Finding the Fourth Proportional to 64,480.40, 96,705.90 and 24,491.08

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Solution

The fourth proportional to 64,480.40, 96,705.90 and 24,491.08 is: 36,731.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,480.40 : 96,705.90 = 24,491.08 : x
  2. Step 2: Convert to fraction form
    64,480.40/96,705.90 = 24,491.08/x
  3. Step 3: Cross multiply
    64,480.40x = 96,705.90 × 24,491.08
  4. Step 4: Simplify right side
    64,480.40x = 2,368,431,933.37
  5. Step 5: Solve for x
    x = 2,368,431,933.37/64,480.40
  6. Step 6: Final answer
    x = 36,731.04

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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.