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Finding the Fourth Proportional to 62,800.84, 93,821.63 and 40,431.88

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Solution

The fourth proportional to 62,800.84, 93,821.63 and 40,431.88 is: 60,403.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,800.84 : 93,821.63 = 40,431.88 : x
  2. Step 2: Convert to fraction form
    62,800.84/93,821.63 = 40,431.88/x
  3. Step 3: Cross multiply
    62,800.84x = 93,821.63 × 40,431.88
  4. Step 4: Simplify right side
    62,800.84x = 3,793,384,885.56
  5. Step 5: Solve for x
    x = 3,793,384,885.56/62,800.84
  6. Step 6: Final answer
    x = 60,403.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.