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Finding the Fourth Proportional to 35,372.70, 48,810.60 and 19,456.20

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Solution

The fourth proportional to 35,372.70, 48,810.60 and 19,456.20 is: 26,847.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,372.70 : 48,810.60 = 19,456.20 : x
  2. Step 2: Convert to fraction form
    35,372.70/48,810.60 = 19,456.20/x
  3. Step 3: Cross multiply
    35,372.70x = 48,810.60 × 19,456.20
  4. Step 4: Simplify right side
    35,372.70x = 949,668,795.72
  5. Step 5: Solve for x
    x = 949,668,795.72/35,372.70
  6. Step 6: Final answer
    x = 26,847.51

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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.