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Finding the Fourth Proportional to 61,393.68, 84,709.25 and 34,526.39

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Solution

The fourth proportional to 61,393.68, 84,709.25 and 34,526.39 is: 47,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,393.68 : 84,709.25 = 34,526.39 : x
  2. Step 2: Convert to fraction form
    61,393.68/84,709.25 = 34,526.39/x
  3. Step 3: Cross multiply
    61,393.68x = 84,709.25 × 34,526.39
  4. Step 4: Simplify right side
    61,393.68x = 2,924,704,264.88
  5. Step 5: Solve for x
    x = 2,924,704,264.88/61,393.68
  6. Step 6: Final answer
    x = 47,638.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.