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Finding the Fourth Proportional to 17,798,930.80, 26,692,175.40 and 9,276,434.80

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Solution

The fourth proportional to 17,798,930.80, 26,692,175.40 and 9,276,434.80 is: 13,911,410.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,798,930.80 : 26,692,175.40 = 9,276,434.80 : x
  2. Step 2: Convert to fraction form
    17,798,930.80/26,692,175.40 = 9,276,434.80/x
  3. Step 3: Cross multiply
    17,798,930.80x = 26,692,175.40 × 9,276,434.80
  4. Step 4: Simplify right side
    17,798,930.80x = 247,608,224,768,263.94
  5. Step 5: Solve for x
    x = 247,608,224,768,263.94/17,798,930.80
  6. Step 6: Final answer
    x = 13,911,410.05

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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.