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Finding the Fourth Proportional to 75,803.92, 104,607 and 41,812.36

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Solution

The fourth proportional to 75,803.92, 104,607 and 41,812.36 is: 57,699.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,803.92 : 104,607 = 41,812.36 : x
  2. Step 2: Convert to fraction form
    75,803.92/104,607 = 41,812.36/x
  3. Step 3: Cross multiply
    75,803.92x = 104,607 × 41,812.36
  4. Step 4: Simplify right side
    75,803.92x = 4,373,865,542.52
  5. Step 5: Solve for x
    x = 4,373,865,542.52/75,803.92
  6. Step 6: Final answer
    x = 57,699.73

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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.