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Finding the Fourth Proportional to 34,789,630.60, 52,184,445.90 and 31,760,416.90

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Solution

The fourth proportional to 34,789,630.60, 52,184,445.90 and 31,760,416.90 is: 47,640,625.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,789,630.60 : 52,184,445.90 = 31,760,416.90 : x
  2. Step 2: Convert to fraction form
    34,789,630.60/52,184,445.90 = 31,760,416.90/x
  3. Step 3: Cross multiply
    34,789,630.60x = 52,184,445.90 × 31,760,416.90
  4. Step 4: Simplify right side
    34,789,630.60x = 1,657,399,757,479,495.50
  5. Step 5: Solve for x
    x = 1,657,399,757,479,495.50/34,789,630.60
  6. Step 6: Final answer
    x = 47,640,625.35

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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.