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Finding the Fourth Proportional to 51,817.87, 71,508.65 and 29,461.87

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Solution

The fourth proportional to 51,817.87, 71,508.65 and 29,461.87 is: 40,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,817.87 : 71,508.65 = 29,461.87 : x
  2. Step 2: Convert to fraction form
    51,817.87/71,508.65 = 29,461.87/x
  3. Step 3: Cross multiply
    51,817.87x = 71,508.65 × 29,461.87
  4. Step 4: Simplify right side
    51,817.87x = 2,106,778,192.63
  5. Step 5: Solve for x
    x = 2,106,778,192.63/51,817.87
  6. Step 6: Final answer
    x = 40,657.37

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1.5x scale

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.