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Finding the Fourth Proportional to 67,756.50, 93,503.97 and 41,260.50

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Solution

The fourth proportional to 67,756.50, 93,503.97 and 41,260.50 is: 56,939.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,756.50 : 93,503.97 = 41,260.50 : x
  2. Step 2: Convert to fraction form
    67,756.50/93,503.97 = 41,260.50/x
  3. Step 3: Cross multiply
    67,756.50x = 93,503.97 × 41,260.50
  4. Step 4: Simplify right side
    67,756.50x = 3,858,020,554.19
  5. Step 5: Solve for x
    x = 3,858,020,554.19/67,756.50
  6. Step 6: Final answer
    x = 56,939.49

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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.