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Finding the Fourth Proportional to 38,636.70, 57,955.05 and 10,934.94

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Solution

The fourth proportional to 38,636.70, 57,955.05 and 10,934.94 is: 16,402.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,636.70 : 57,955.05 = 10,934.94 : x
  2. Step 2: Convert to fraction form
    38,636.70/57,955.05 = 10,934.94/x
  3. Step 3: Cross multiply
    38,636.70x = 57,955.05 × 10,934.94
  4. Step 4: Simplify right side
    38,636.70x = 633,734,994.45
  5. Step 5: Solve for x
    x = 633,734,994.45/38,636.70
  6. Step 6: Final answer
    x = 16,402.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.