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Finding the Fourth Proportional to 51,594.57, 71,191.71 and 28,929.96

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Solution

The fourth proportional to 51,594.57, 71,191.71 and 28,929.96 is: 39,918.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,594.57 : 71,191.71 = 28,929.96 : x
  2. Step 2: Convert to fraction form
    51,594.57/71,191.71 = 28,929.96/x
  3. Step 3: Cross multiply
    51,594.57x = 71,191.71 × 28,929.96
  4. Step 4: Simplify right side
    51,594.57x = 2,059,573,322.63
  5. Step 5: Solve for x
    x = 2,059,573,322.63/51,594.57
  6. Step 6: Final answer
    x = 39,918.41

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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.