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Finding the Fourth Proportional to 35,950.71, 49,612.17 and 20,636.02

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Solution

The fourth proportional to 35,950.71, 49,612.17 and 20,636.02 is: 28,477.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,950.71 : 49,612.17 = 20,636.02 : x
  2. Step 2: Convert to fraction form
    35,950.71/49,612.17 = 20,636.02/x
  3. Step 3: Cross multiply
    35,950.71x = 49,612.17 × 20,636.02
  4. Step 4: Simplify right side
    35,950.71x = 1,023,797,732.36
  5. Step 5: Solve for x
    x = 1,023,797,732.36/35,950.71
  6. Step 6: Final answer
    x = 28,477.82

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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.