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Finding the Fourth Proportional to 17,630,067.60, 26,445,101.40 and 11,919,373.20

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Solution

The fourth proportional to 17,630,067.60, 26,445,101.40 and 11,919,373.20 is: 17,879,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,630,067.60 : 26,445,101.40 = 11,919,373.20 : x
  2. Step 2: Convert to fraction form
    17,630,067.60/26,445,101.40 = 11,919,373.20/x
  3. Step 3: Cross multiply
    17,630,067.60x = 26,445,101.40 × 11,919,373.20
  4. Step 4: Simplify right side
    17,630,067.60x = 315,209,032,898,442.44
  5. Step 5: Solve for x
    x = 315,209,032,898,442.44/17,630,067.60
  6. Step 6: Final answer
    x = 17,879,059.80

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1.5x scale

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.