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Finding the Fourth Proportional to 34,777,668.60, 52,166,502.90 and 31,748,454.90

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Solution

The fourth proportional to 34,777,668.60, 52,166,502.90 and 31,748,454.90 is: 47,622,682.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,777,668.60 : 52,166,502.90 = 31,748,454.90 : x
  2. Step 2: Convert to fraction form
    34,777,668.60/52,166,502.90 = 31,748,454.90/x
  3. Step 3: Cross multiply
    34,777,668.60x = 52,166,502.90 × 31,748,454.90
  4. Step 4: Simplify right side
    34,777,668.60x = 1,656,205,864,611,369
  5. Step 5: Solve for x
    x = 1,656,205,864,611,369/34,777,668.60
  6. Step 6: Final answer
    x = 47,622,682.35

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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.