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Finding the Fourth Proportional to 35,352.76, 48,786.51 and 20,248.15

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Solution

The fourth proportional to 35,352.76, 48,786.51 and 20,248.15 is: 27,942.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,352.76 : 48,786.51 = 20,248.15 : x
  2. Step 2: Convert to fraction form
    35,352.76/48,786.51 = 20,248.15/x
  3. Step 3: Cross multiply
    35,352.76x = 48,786.51 × 20,248.15
  4. Step 4: Simplify right side
    35,352.76x = 987,836,572.46
  5. Step 5: Solve for x
    x = 987,836,572.46/35,352.76
  6. Step 6: Final answer
    x = 27,942.28

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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.