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Finding the Fourth Proportional to 60,803.83, 91,202.10 and 18,684.31

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Solution

The fourth proportional to 60,803.83, 91,202.10 and 18,684.31 is: 28,025.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,803.83 : 91,202.10 = 18,684.31 : x
  2. Step 2: Convert to fraction form
    60,803.83/91,202.10 = 18,684.31/x
  3. Step 3: Cross multiply
    60,803.83x = 91,202.10 × 18,684.31
  4. Step 4: Simplify right side
    60,803.83x = 1,704,048,309.05
  5. Step 5: Solve for x
    x = 1,704,048,309.05/60,803.83
  6. Step 6: Final answer
    x = 28,025.34

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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.