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Finding the Fourth Proportional to 35,352.50, 53,025.98 and 20,551.97

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Solution

The fourth proportional to 35,352.50, 53,025.98 and 20,551.97 is: 30,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,352.50 : 53,025.98 = 20,551.97 : x
  2. Step 2: Convert to fraction form
    35,352.50/53,025.98 = 20,551.97/x
  3. Step 3: Cross multiply
    35,352.50x = 53,025.98 × 20,551.97
  4. Step 4: Simplify right side
    35,352.50x = 1,089,787,982.29
  5. Step 5: Solve for x
    x = 1,089,787,982.29/35,352.50
  6. Step 6: Final answer
    x = 30,826.34

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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.