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Finding the Fourth Proportional to 32,224,968.72, 48,336,978.77 and 7,963,894.28

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Solution

The fourth proportional to 32,224,968.72, 48,336,978.77 and 7,963,894.28 is: 11,945,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,224,968.72 : 48,336,978.77 = 7,963,894.28 : x
  2. Step 2: Convert to fraction form
    32,224,968.72/48,336,978.77 = 7,963,894.28/x
  3. Step 3: Cross multiply
    32,224,968.72x = 48,336,978.77 × 7,963,894.28
  4. Step 4: Simplify right side
    32,224,968.72x = 384,950,588,894,568.88
  5. Step 5: Solve for x
    x = 384,950,588,894,568.88/32,224,968.72
  6. Step 6: Final answer
    x = 11,945,724.21

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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.