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Finding the Fourth Proportional to 40,398,743.60, 60,605,988.60 and 17,369,633.60

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Solution

The fourth proportional to 40,398,743.60, 60,605,988.60 and 17,369,633.60 is: 26,057,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,398,743.60 : 60,605,988.60 = 17,369,633.60 : x
  2. Step 2: Convert to fraction form
    40,398,743.60/60,605,988.60 = 17,369,633.60/x
  3. Step 3: Cross multiply
    40,398,743.60x = 60,605,988.60 × 17,369,633.60
  4. Step 4: Simplify right side
    40,398,743.60x = 1,052,703,815,947,777.12
  5. Step 5: Solve for x
    x = 1,052,703,815,947,777.12/40,398,743.60
  6. Step 6: Final answer
    x = 26,057,835.52

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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.