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Finding the Fourth Proportional to 35,251.63, 48,651.56 and 20,347.63

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Solution

The fourth proportional to 35,251.63, 48,651.56 and 20,347.63 is: 28,082.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,251.63 : 48,651.56 = 20,347.63 : x
  2. Step 2: Convert to fraction form
    35,251.63/48,651.56 = 20,347.63/x
  3. Step 3: Cross multiply
    35,251.63x = 48,651.56 × 20,347.63
  4. Step 4: Simplify right side
    35,251.63x = 989,943,941.80
  5. Step 5: Solve for x
    x = 989,943,941.80/35,251.63
  6. Step 6: Final answer
    x = 28,082.22

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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.