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Finding the Fourth Proportional to 37,649.84, 51,957.36 and 20,655.56

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Solution

The fourth proportional to 37,649.84, 51,957.36 and 20,655.56 is: 28,504.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,649.84 : 51,957.36 = 20,655.56 : x
  2. Step 2: Convert to fraction form
    37,649.84/51,957.36 = 20,655.56/x
  3. Step 3: Cross multiply
    37,649.84x = 51,957.36 × 20,655.56
  4. Step 4: Simplify right side
    37,649.84x = 1,073,208,366.92
  5. Step 5: Solve for x
    x = 1,073,208,366.92/37,649.84
  6. Step 6: Final answer
    x = 28,504.99

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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.