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Finding the Fourth Proportional to 3,670,389.60, 5,495,086.80 and 3,670,389.60

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Solution

The fourth proportional to 3,670,389.60, 5,495,086.80 and 3,670,389.60 is: 5,495,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,389.60 : 5,495,086.80 = 3,670,389.60 : x
  2. Step 2: Convert to fraction form
    3,670,389.60/5,495,086.80 = 3,670,389.60/x
  3. Step 3: Cross multiply
    3,670,389.60x = 5,495,086.80 × 3,670,389.60
  4. Step 4: Simplify right side
    3,670,389.60x = 20,169,109,441,817.28
  5. Step 5: Solve for x
    x = 20,169,109,441,817.28/3,670,389.60
  6. Step 6: Final answer
    x = 5,495,086.80

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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.