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Finding the Fourth Proportional to 19,558,652.40, 29,337,978.60 and 17,795,055.60

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Solution

The fourth proportional to 19,558,652.40, 29,337,978.60 and 17,795,055.60 is: 26,692,583.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558,652.40 : 29,337,978.60 = 17,795,055.60 : x
  2. Step 2: Convert to fraction form
    19,558,652.40/29,337,978.60 = 17,795,055.60/x
  3. Step 3: Cross multiply
    19,558,652.40x = 29,337,978.60 × 17,795,055.60
  4. Step 4: Simplify right side
    19,558,652.40x = 522,070,960,378,610.25
  5. Step 5: Solve for x
    x = 522,070,960,378,610.25/19,558,652.40
  6. Step 6: Final answer
    x = 26,692,583.40

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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.