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Finding the Fourth Proportional to 68,783.87, 103,204.97 and 37,582.67

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Solution

The fourth proportional to 68,783.87, 103,204.97 and 37,582.67 is: 56,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,783.87 : 103,204.97 = 37,582.67 : x
  2. Step 2: Convert to fraction form
    68,783.87/103,204.97 = 37,582.67/x
  3. Step 3: Cross multiply
    68,783.87x = 103,204.97 × 37,582.67
  4. Step 4: Simplify right side
    68,783.87x = 3,878,718,329.87
  5. Step 5: Solve for x
    x = 3,878,718,329.87/68,783.87
  6. Step 6: Final answer
    x = 56,389.94

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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.