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Finding the Fourth Proportional to 64,244.61, 96,389.60 and 28,702.62

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Solution

The fourth proportional to 64,244.61, 96,389.60 and 28,702.62 is: 43,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,244.61 : 96,389.60 = 28,702.62 : x
  2. Step 2: Convert to fraction form
    64,244.61/96,389.60 = 28,702.62/x
  3. Step 3: Cross multiply
    64,244.61x = 96,389.60 × 28,702.62
  4. Step 4: Simplify right side
    64,244.61x = 2,766,633,917.24
  5. Step 5: Solve for x
    x = 2,766,633,917.24/64,244.61
  6. Step 6: Final answer
    x = 43,064.06

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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.