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Finding the Fourth Proportional to 35,548.55, 49,059.90 and 20,446.10

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Solution

The fourth proportional to 35,548.55, 49,059.90 and 20,446.10 is: 28,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,548.55 : 49,059.90 = 20,446.10 : x
  2. Step 2: Convert to fraction form
    35,548.55/49,059.90 = 20,446.10/x
  3. Step 3: Cross multiply
    35,548.55x = 49,059.90 × 20,446.10
  4. Step 4: Simplify right side
    35,548.55x = 1,003,083,621.39
  5. Step 5: Solve for x
    x = 1,003,083,621.39/35,548.55
  6. Step 6: Final answer
    x = 28,217.29

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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.