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Finding the Fourth Proportional to 6,004.80, 9,006.05 and 1,621.15

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Solution

The fourth proportional to 6,004.80, 9,006.05 and 1,621.15 is: 2,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,004.80 : 9,006.05 = 1,621.15 : x
  2. Step 2: Convert to fraction form
    6,004.80/9,006.05 = 1,621.15/x
  3. Step 3: Cross multiply
    6,004.80x = 9,006.05 × 1,621.15
  4. Step 4: Simplify right side
    6,004.80x = 14,600,139.50
  5. Step 5: Solve for x
    x = 14,600,139.50/6,004.80
  6. Step 6: Final answer
    x = 2,431.41

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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.