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Finding the Fourth Proportional to 64,479.40, 96,704.40 and 24,490.08

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Solution

The fourth proportional to 64,479.40, 96,704.40 and 24,490.08 is: 36,729.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,479.40 : 96,704.40 = 24,490.08 : x
  2. Step 2: Convert to fraction form
    64,479.40/96,704.40 = 24,490.08/x
  3. Step 3: Cross multiply
    64,479.40x = 96,704.40 × 24,490.08
  4. Step 4: Simplify right side
    64,479.40x = 2,368,298,492.35
  5. Step 5: Solve for x
    x = 2,368,298,492.35/64,479.40
  6. Step 6: Final answer
    x = 36,729.54

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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.