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Finding the Fourth Proportional to 8,992,971.60, 13,484,791.80 and 3,310,270.80

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Solution

The fourth proportional to 8,992,971.60, 13,484,791.80 and 3,310,270.80 is: 4,963,688.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992,971.60 : 13,484,791.80 = 3,310,270.80 : x
  2. Step 2: Convert to fraction form
    8,992,971.60/13,484,791.80 = 3,310,270.80/x
  3. Step 3: Cross multiply
    8,992,971.60x = 13,484,791.80 × 3,310,270.80
  4. Step 4: Simplify right side
    8,992,971.60x = 44,638,312,539,619.44
  5. Step 5: Solve for x
    x = 44,638,312,539,619.44/8,992,971.60
  6. Step 6: Final answer
    x = 4,963,688.81

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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.