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Finding the Fourth Proportional to 40,395,623.60, 60,614,430.60 and 17,678,817.20

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Solution

The fourth proportional to 40,395,623.60, 60,614,430.60 and 17,678,817.20 is: 26,527,414.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,395,623.60 : 60,614,430.60 = 17,678,817.20 : x
  2. Step 2: Convert to fraction form
    40,395,623.60/60,614,430.60 = 17,678,817.20/x
  3. Step 3: Cross multiply
    40,395,623.60x = 60,614,430.60 × 17,678,817.20
  4. Step 4: Simplify right side
    40,395,623.60x = 1,071,591,438,259,486.25
  5. Step 5: Solve for x
    x = 1,071,591,438,259,486.25/40,395,623.60
  6. Step 6: Final answer
    x = 26,527,414.18

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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.