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Finding the Fourth Proportional to 61,225.34, 84,489.50 and 34,367.31

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Solution

The fourth proportional to 61,225.34, 84,489.50 and 34,367.31 is: 47,426.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,225.34 : 84,489.50 = 34,367.31 : x
  2. Step 2: Convert to fraction form
    61,225.34/84,489.50 = 34,367.31/x
  3. Step 3: Cross multiply
    61,225.34x = 84,489.50 × 34,367.31
  4. Step 4: Simplify right side
    61,225.34x = 2,903,676,924.16
  5. Step 5: Solve for x
    x = 2,903,676,924.16/61,225.34
  6. Step 6: Final answer
    x = 47,426.07

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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.