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Finding the Fourth Proportional to 75,800.90, 104,605.68 and 41,810.60

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Solution

The fourth proportional to 75,800.90, 104,605.68 and 41,810.60 is: 57,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,800.90 : 104,605.68 = 41,810.60 : x
  2. Step 2: Convert to fraction form
    75,800.90/104,605.68 = 41,810.60/x
  3. Step 3: Cross multiply
    75,800.90x = 104,605.68 × 41,810.60
  4. Step 4: Simplify right side
    75,800.90x = 4,373,626,244.21
  5. Step 5: Solve for x
    x = 4,373,626,244.21/75,800.90
  6. Step 6: Final answer
    x = 57,698.87

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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.