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Finding the Fourth Proportional to 71,090.57, 106,600.10 and 23,688.87

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Solution

The fourth proportional to 71,090.57, 106,600.10 and 23,688.87 is: 35,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,090.57 : 106,600.10 = 23,688.87 : x
  2. Step 2: Convert to fraction form
    71,090.57/106,600.10 = 23,688.87/x
  3. Step 3: Cross multiply
    71,090.57x = 106,600.10 × 23,688.87
  4. Step 4: Simplify right side
    71,090.57x = 2,525,235,792.44
  5. Step 5: Solve for x
    x = 2,525,235,792.44/71,090.57
  6. Step 6: Final answer
    x = 35,521.39

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1.5x scale

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.