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Finding the Fourth Proportional to 17,801,689.20, 26,706,907.80 and 5,022,027.60

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Solution

The fourth proportional to 17,801,689.20, 26,706,907.80 and 5,022,027.60 is: 7,534,275.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,801,689.20 : 26,706,907.80 = 5,022,027.60 : x
  2. Step 2: Convert to fraction form
    17,801,689.20/26,706,907.80 = 5,022,027.60/x
  3. Step 3: Cross multiply
    17,801,689.20x = 26,706,907.80 × 5,022,027.60
  4. Step 4: Simplify right side
    17,801,689.20x = 134,122,828,082,255.28
  5. Step 5: Solve for x
    x = 134,122,828,082,255.28/17,801,689.20
  6. Step 6: Final answer
    x = 7,534,275.35

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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.